#0047EB

Closest named color: Vibrant Blue (#0339F8). oklch(49% 0.251 263.2), rgb(0, 71, 235).

Aa

White text reads best on this color (6.77:1).

About this color

#0047EB is a medium-dark, vivid blue. In OKLCH its lightness is 49%, its chroma 0.251 and its hue 263°. Its hue sits on the cool side of the wheel. The nearest named color is Vibrant Blue (#0339F8), ΔE 0.028 away. White text reads best on it, at 6.77:1.

Hue familyBlues
Lightnessmedium-dark (49%)
Chromavivid (0.251)
Temperaturecool
Nearest nameVibrant Blue (#0339F8)
Black text3.10:1
White text6.77:1

Values

HEX#0047EB
RGBrgb(0, 71, 235)
HSLhsl(222, 100%, 46%)
OKLCHoklch(49% 0.251 263.2)

Contrast

WCAG 2 contrast ratios are the conformance target: AA needs 4.5:1 for body text and 3:1 for large text, AAA needs 7:1. APCA Lc values are supplementary guidance from the WCAG 3 drafts.

PairWCAG 2ResultAPCAAPCA guidance
White text on #0047EB 6.77:1 AA Lc -87.0 Fine for body text
Black text on #0047EB 3.10:1 AA large text Lc 22.1 Dividers and decoration only
#0047EB text on white 6.77:1 AA Lc 81.9 Fine for body text
#0047EB text on black 3.10:1 AA large text Lc -20.0 Dividers and decoration only

Tints and shades

A 50–950 scale built in OKLCH: the hue is held, lightness follows a Tailwind v4-like curve, and every step is kept inside the sRGB gamut. This color sits at step 700.

  1. Step 50

    50

    #F1F6FF

    oklch(97.2% 0.013 262.4)

  2. Step 100

    100

    #DFEAFF

    oklch(93.5% 0.031 263.5)

  3. Step 200

    200

    #C6DAFF

    oklch(88.5% 0.056 262.8)

  4. Step 300

    300

    #A0C1FF

    oklch(80.9% 0.095 262.7)

  5. Step 400

    400

    #6D9DFF

    oklch(70.6% 0.153 263.3)

  6. Step 500

    500

    #4681FF

    oklch(63.1% 0.198 263.1)

  7. Step 600

    600

    #1C60FF

    oklch(55.6% 0.245 263.2)

  8. Step 700

    700 (this color)

    #0047EB

    oklch(49% 0.251 263.2)

  9. Step 800

    800

    #053DBE

    oklch(42.8% 0.208 263.1)

  10. Step 900

    900

    #0D3796

    oklch(37.8% 0.162 263)

  11. Step 950

    950

    #092157

    oklch(26.9% 0.102 263.2)

Export this scale for Tailwind in the Tailwind colors tool

#0047EB with color blindness

Simulated with the Machado et al. (2009) model. ΔE is how far the color moves: below about 0.02 you would not notice a change.

VisionSeen asShift (ΔE)
Protanopia (no red cones)#0066F00.068
Deuteranopia (no green cones)#0051E80.020
Tritanopia (no blue cones)#0076940.189
Achromatopsia (no color)#5B5B5B0.252

Harmonies

Hue rotations in OKLCH that keep this color's lightness and chroma.

Complementary

The opposite hue (180°).

  • #0047EB

    #0047EB

    oklch(49% 0.251 263.2)

  • #7C5A00

    #7C5A00

    oklch(49% 0.101 82.9)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #0047EB

    #0047EB

    oklch(49% 0.251 263.2)

  • #006990

    #006990

    oklch(49% 0.101 232.9)

  • #6F20DD

    #6F20DD

    oklch(49.1% 0.251 293.1)

Open the analogous palette in the generator

Split complementary

The two hues beside the complement (150° and 210°).

  • #0047EB

    #0047EB

    oklch(49% 0.251 263.2)

  • #954800

    #954800

    oklch(49% 0.124 53)

  • #616600

    #616600

    oklch(48.9% 0.109 113.1)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #0047EB

    #0047EB

    oklch(49% 0.251 263.2)

  • #B60023

    #B60023

    oklch(49% 0.198 23.2)

  • #00760B

    #00760B

    oklch(49.1% 0.163 143.2)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #0047EB

    #0047EB

    oklch(49% 0.251 263.2)

  • #AD006A

    #AD006A

    oklch(49% 0.202 353.1)

  • #7C5A00

    #7C5A00

    oklch(49% 0.101 82.9)

  • #00715B

    #00715B

    oklch(48.9% 0.094 173)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #0047EB, closest first.

No curated palette has a color within ΔE 0.04 of #0047EB.

Similar named colors

The eight closest entries in our named color list, with their ΔE distance.

Use #0047EB in your product

Turn it into light and dark UI roles checked for contrast, then export to Tailwind v4, shadcn/ui, CSS or design tokens.