#394BBB

Closest named color: Blue Blue (#2242C7). oklch(46.8% 0.176 270.9), rgb(57, 75, 187).

Aa

White text reads best on this color (7.24:1).

About this color

#394BBB is a medium-dark, vivid blue. In OKLCH its lightness is 47%, its chroma 0.176 and its hue 271°. Its hue sits on the cool side of the wheel. The nearest named color is Blue Blue (#2242C7), ΔE 0.039 away. White text reads best on it, at 7.24:1.

Hue familyBlues
Lightnessmedium-dark (47%)
Chromavivid (0.176)
Temperaturecool
Nearest nameBlue Blue (#2242C7)
Black text2.89:1
White text7.24:1

Values

HEX#394BBB
RGBrgb(57, 75, 187)
HSLhsl(232, 53%, 48%)
OKLCHoklch(46.8% 0.176 270.9)

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 #394BBB 7.24:1 AAA Lc -89.6 Fine for body text
Black text on #394BBB 2.89:1 Fails Lc 19.4 Dividers and decoration only
#394BBB text on white 7.24:1 AAA Lc 84.7 Fine for body text
#394BBB text on black 2.89:1 Fails Lc -17.3 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

    #F2F5FD

    oklch(97% 0.011 269.6)

  2. Step 100

    100

    #E3E9FB

    oklch(93.5% 0.025 271.1)

  3. Step 200

    200

    #CDD8F9

    oklch(88.4% 0.047 270.8)

  4. Step 300

    300

    #ACBEF9

    oklch(80.9% 0.086 271.2)

  5. Step 400

    400

    #819AF5

    oklch(70.6% 0.136 270.9)

  6. Step 500

    500

    #647EF2

    oklch(63.1% 0.175 271.1)

  7. Step 600

    600

    #4D64E0

    oklch(55.5% 0.19 271)

  8. Step 700

    700 (this color)

    #394BBB

    oklch(46.8% 0.176 270.9)

  9. Step 800

    800

    #33449D

    oklch(42.6% 0.146 270.8)

  10. Step 900

    900

    #2C3A7D

    oklch(37.6% 0.114 271)

  11. Step 950

    950

    #1A2349

    oklch(27.1% 0.071 270.9)

Export this scale for Tailwind in the Tailwind colors tool

#394BBB 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)#005DBF0.050
Deuteranopia (no green cones)#0051B90.038
Tritanopia (no blue cones)#00677C0.142
Achromatopsia (no color)#5757570.177

Harmonies

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

Complementary

The opposite hue (180°).

  • #394BBB

    #394BBB

    oklch(46.8% 0.176 270.9)

  • #6E5700

    #6E5700

    oklch(46.7% 0.095 90.9)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #394BBB

    #394BBB

    oklch(46.8% 0.176 270.9)

  • #006091

    #006091

    oklch(46.8% 0.109 241.1)

  • #6D38AB

    #6D38AB

    oklch(46.9% 0.176 301)

Open the analogous palette in the generator

Split complementary

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

  • #394BBB

    #394BBB

    oklch(46.8% 0.176 270.9)

  • #854900

    #854900

    oklch(46.8% 0.109 60.7)

  • #516300

    #516300

    oklch(46.8% 0.112 121.2)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #394BBB

    #394BBB

    oklch(46.8% 0.176 270.9)

  • #A71B08

    #A71B08

    oklch(46.9% 0.176 31)

  • #006D32

    #006D32

    oklch(46.8% 0.126 150.9)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #394BBB

    #394BBB

    oklch(46.8% 0.176 270.9)

  • #A11554

    #A11554

    oklch(46.7% 0.176 1.1)

  • #6E5700

    #6E5700

    oklch(46.7% 0.095 90.9)

  • #00695D

    #00695D

    oklch(46.7% 0.084 181.4)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #394BBB, closest first.

Similar named colors

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

Use #394BBB 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.