#394BB5

Closest named color: Blue Blue (#2242C7). oklch(46.3% 0.168 271), rgb(57, 75, 181).

Aa

White text reads best on this color (7.37:1).

About this color

#394BB5 is a medium-dark, vivid blue. In OKLCH its lightness is 46%, its chroma 0.168 and its hue 271°. Its hue sits on the cool side of the wheel. The nearest named color is Blue Blue (#2242C7), ΔE 0.044 away. White text reads best on it, at 7.37:1.

Hue familyBlues
Lightnessmedium-dark (46%)
Chromavivid (0.168)
Temperaturecool
Nearest nameBlue Blue (#2242C7)
Black text2.84:1
White text7.37:1

Values

HEX#394BB5
RGBrgb(57, 75, 181)
HSLhsl(231, 52%, 47%)
OKLCHoklch(46.3% 0.168 271)

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 #394BB5 7.37:1 AAA Lc -90.0 Preferred for body text
Black text on #394BB5 2.84:1 Fails Lc 18.9 Dividers and decoration only
#394BB5 text on white 7.37:1 AAA Lc 85.2 Fine for body text
#394BB5 text on black 2.84:1 Fails Lc -16.9 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

    #F3F5FD

    oklch(97.1% 0.011 274.9)

  2. Step 100

    100

    #E4E9FA

    oklch(93.5% 0.024 272.8)

  3. Step 200

    200

    #CED8F8

    oklch(88.5% 0.045 271.7)

  4. Step 300

    300

    #ADBEF6

    oklch(80.8% 0.082 271.4)

  5. Step 400

    400

    #839BF2

    oklch(70.8% 0.13 271.1)

  6. Step 500

    500

    #657FED

    oklch(63% 0.167 270.9)

  7. Step 600

    600

    #4F66DB

    oklch(55.7% 0.18 271)

  8. Step 700

    700 (this color)

    #394BB5

    oklch(46.3% 0.168 271)

  9. Step 800

    800

    #34459A

    oklch(42.7% 0.14 270.8)

  10. Step 900

    900

    #2D3B7A

    oklch(37.6% 0.108 271)

  11. Step 950

    950

    #1A2348

    oklch(27% 0.07 270.8)

Export this scale for Tailwind in the Tailwind colors tool

#394BB5 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)#005CB90.049
Deuteranopia (no green cones)#0050B30.038
Tritanopia (no blue cones)#0065780.138
Achromatopsia (no color)#5656560.169

Harmonies

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

Complementary

The opposite hue (180°).

  • #394BB5

    #394BB5

    oklch(46.3% 0.168 271)

  • #6D5600

    #6D5600

    oklch(46.3% 0.095 90.7)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #394BB5

    #394BB5

    oklch(46.3% 0.168 271)

  • #005F8F

    #005F8F

    oklch(46.4% 0.108 240.8)

  • #6B39A6

    #6B39A6

    oklch(46.4% 0.168 301.1)

Open the analogous palette in the generator

Split complementary

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

  • #394BB5

    #394BB5

    oklch(46.3% 0.168 271)

  • #834800

    #834800

    oklch(46.3% 0.108 60.9)

  • #506100

    #506100

    oklch(46.2% 0.111 120.8)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #394BB5

    #394BB5

    oklch(46.3% 0.168 271)

  • #A2200F

    #A2200F

    oklch(46.4% 0.168 31)

  • #006B32

    #006B32

    oklch(46.2% 0.124 151.2)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #394BB5

    #394BB5

    oklch(46.3% 0.168 271)

  • #9D1B53

    #9D1B53

    oklch(46.3% 0.168 1.1)

  • #6D5600

    #6D5600

    oklch(46.3% 0.095 90.7)

  • #00685B

    #00685B

    oklch(46.4% 0.084 180.3)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #394BB5, closest first.

Similar named colors

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

Use #394BB5 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.