#3048BC

Closest named color: Blue Blue (#2242C7). oklch(45.9% 0.184 268.8), rgb(48, 72, 188).

Aa

White text reads best on this color (7.55:1).

About this color

#3048BC is a medium-dark, vivid blue. In OKLCH its lightness is 46%, its chroma 0.184 and its hue 269°. Its hue sits on the cool side of the wheel. The nearest named color is Blue Blue (#2242C7), ΔE 0.027 away. White text reads best on it, at 7.55:1.

Hue familyBlues
Lightnessmedium-dark (46%)
Chromavivid (0.184)
Temperaturecool
Nearest nameBlue Blue (#2242C7)
Black text2.77:1
White text7.55:1

Values

HEX#3048BC
RGBrgb(48, 72, 188)
HSLhsl(230, 59%, 46%)
OKLCHoklch(45.9% 0.184 268.8)

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 #3048BC 7.55:1 AAA Lc -90.5 Preferred for body text
Black text on #3048BC 2.77:1 Fails Lc 18.4 Dividers and decoration only
#3048BC text on white 7.55:1 AAA Lc 85.7 Fine for body text
#3048BC text on black 2.77:1 Fails Lc -16.4 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 800.

  1. Step 50

    50

    #F2F5FF

    oklch(97.1% 0.014 272.7)

  2. Step 100

    100

    #E1EAFF

    oklch(93.7% 0.03 267.2)

  3. Step 200

    200

    #CAD8FF

    oklch(88.4% 0.056 269.7)

  4. Step 300

    300

    #A7BEFF

    oklch(80.8% 0.096 269.2)

  5. Step 400

    400

    #7A9AFF

    oklch(70.7% 0.152 269)

  6. Step 500

    500

    #597CFF

    oklch(63% 0.198 268.8)

  7. Step 600

    600

    #3E5CFC

    oklch(55.7% 0.239 268.7)

  8. Step 700

    700

    #324ADC

    oklch(49.2% 0.222 268.8)

  9. Step 800

    800 (this color)

    #3048BC

    oklch(45.9% 0.184 268.8)

  10. Step 900

    900

    #24378C

    oklch(37.7% 0.143 268.8)

  11. Step 950

    950

    #152152

    oklch(27% 0.091 269.1)

Export this scale for Tailwind in the Tailwind colors tool

#3048BC 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)#005BC00.048
Deuteranopia (no green cones)#004EBA0.029
Tritanopia (no blue cones)#00667B0.146
Achromatopsia (no color)#5454540.184

Harmonies

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

Complementary

The opposite hue (180°).

  • #3048BC

    #3048BC

    oklch(45.9% 0.184 268.8)

  • #6D5400

    #6D5400

    oklch(45.9% 0.094 88.6)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #3048BC

    #3048BC

    oklch(45.9% 0.184 268.8)

  • #005E8A

    #005E8A

    oklch(45.8% 0.103 238.7)

  • #6833AD

    #6833AD

    oklch(45.8% 0.183 298.8)

Open the analogous palette in the generator

Split complementary

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

  • #3048BC

    #3048BC

    oklch(45.9% 0.184 268.8)

  • #834600

    #834600

    oklch(46% 0.109 59.1)

  • #525F00

    #525F00

    oklch(45.8% 0.107 118.6)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #3048BC

    #3048BC

    oklch(45.9% 0.184 268.8)

  • #A60808

    #A60808

    oklch(45.8% 0.184 28.7)

  • #006A2A

    #006A2A

    oklch(45.8% 0.13 148.8)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #3048BC

    #3048BC

    oklch(45.9% 0.184 268.8)

  • #A00556

    #A00556

    oklch(46% 0.184 358.8)

  • #6D5400

    #6D5400

    oklch(45.9% 0.094 88.6)

  • #006758

    #006758

    oklch(46% 0.085 178.1)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #3048BC, closest first.

Similar named colors

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

Use #3048BC 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.