#394D8A

Closest named color: Dusk Blue (#26538D). oklch(43.5% 0.104 268.2), rgb(57, 77, 138).

Aa

White text reads best on this color (8.06:1).

About this color

#394D8A is a dark, moderately saturated blue. In OKLCH its lightness is 44%, its chroma 0.104 and its hue 268°. Its hue sits on the cool side of the wheel. The nearest named color is Dusk Blue (#26538D), ΔE 0.024 away. White text reads best on it, at 8.06:1.

Hue familyBlues
Lightnessdark (44%)
Chromamoderately saturated (0.104)
Temperaturecool
Nearest nameDusk Blue (#26538D)
Black text2.60:1
White text8.06:1

Values

HEX#394D8A
RGBrgb(57, 77, 138)
HSLhsl(225, 42%, 38%)
OKLCHoklch(43.5% 0.104 268.2)

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 #394D8A 8.06:1 AAA Lc -92.4 Preferred for body text
Black text on #394D8A 2.60:1 Fails Lc 16.2 Dividers and decoration only
#394D8A text on white 8.06:1 AAA Lc 87.8 Fine for body text
#394D8A text on black 2.60:1 Fails Lc -14.4 Not readable

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

    #F3F5FB

    oklch(97% 0.008 271.3)

  2. Step 100

    100

    #E5EAF6

    oklch(93.7% 0.017 267.8)

  3. Step 200

    200

    #D0D9F0

    oklch(88.6% 0.033 268.7)

  4. Step 300

    300

    #B0C0E9

    oklch(80.9% 0.061 268.3)

  5. Step 400

    400

    #879EDE

    oklch(70.7% 0.098 268.7)

  6. Step 500

    500

    #6A85D4

    oklch(63.1% 0.123 268.4)

  7. Step 600

    600

    #526DC2

    oklch(55.5% 0.136 268.5)

  8. Step 700

    700

    #435BA7

    oklch(49.1% 0.125 268.4)

  9. Step 800

    800 (this color)

    #394D8A

    oklch(43.5% 0.104 268.2)

  10. Step 900

    900

    #2F3F6C

    oklch(37.7% 0.08 267.7)

  11. Step 950

    950

    #1C253F

    oklch(27% 0.05 268.4)

Export this scale for Tailwind in the Tailwind colors tool

#394D8A 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)#32548C0.020
Deuteranopia (no green cones)#284D890.019
Tritanopia (no blue cones)#015A640.093
Achromatopsia (no color)#5050500.104

Harmonies

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

Complementary

The opposite hue (180°).

  • #394D8A

    #394D8A

    oklch(43.5% 0.104 268.2)

  • #654E00

    #654E00

    oklch(43.6% 0.089 89.1)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #394D8A

    #394D8A

    oklch(43.5% 0.104 268.2)

  • #005780

    #005780

    oklch(43.4% 0.097 238.7)

  • #594382

    #594382

    oklch(43.6% 0.103 298.1)

Open the analogous palette in the generator

Split complementary

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

  • #394D8A

    #394D8A

    oklch(43.5% 0.104 268.2)

  • #7A4000

    #7A4000

    oklch(43.5% 0.104 58.4)

  • #4C5800

    #4C5800

    oklch(43.5% 0.102 118.5)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #394D8A

    #394D8A

    oklch(43.5% 0.104 268.2)

  • #81372F

    #81372F

    oklch(43.6% 0.104 28.3)

  • #1F602E

    #1F602E

    oklch(43.5% 0.104 148)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #394D8A

    #394D8A

    oklch(43.5% 0.104 268.2)

  • #7D3551

    #7D3551

    oklch(43.5% 0.105 357.9)

  • #654E00

    #654E00

    oklch(43.6% 0.089 89.1)

  • #005F51

    #005F51

    oklch(43.4% 0.08 178.1)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #394D8A, closest first.

Similar named colors

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

Use #394D8A 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.