#2539AE#2539AE

#2539AE is a dark, vivid blue. Relative luminance 0.064; OKLCH L 41.4% C 0.186 H 268.7°. Best body text is #FFFFFF at 9.23:1 contrast (WCAG AA passes).

Color values

HEX	#2539AE
RGB	rgb(37, 57, 174)
HSL	hsl(231, 65%, 41%)
HSV	hsv(231, 79%, 68%)
CMYK	cmyk(78.7%, 67.2%, 0%, 31.8%)
CIE-LAB	lab(30.34, 35.23, -64.23)
CIE-LCH	lch(30.34, 73.26, 298.74°)
OKLab	oklab(41.35% -0.0043 -0.1859)
OKLCH	oklch(41.35% 0.186 268.7)
XYZ	xyz(9.8634, 6.3744, 40.7467)
Luminance	0.0638 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2539AE #AE9A25

analogous

#257EAE #2539AE #5625AE

triadic

#2539AE #AE2539 #39AE25

tetradic

#2539AE #AE257E #AE9A25 #25AE56

square

#2539AE #AE257E #AE9A25 #25AE56

split-complementary

#2539AE #AE5625 #7EAE25

monochromatic

#101849 #1A287C #2539AE #3B51D5 #6D7EE0

Accessibility & contrast

On white

9.23

#2539AE on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.28

#2539AE on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2539AE

9.23:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2539AE	#FFFFFF	#000000	##FFFFFF
##2539AE	1.00	9.23	2.28	9.23
#FFFFFF	9.23	1.00	21.00	1.00
#000000	2.28	21.00	1.00	21.00
##FFFFFF	9.23	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004EB2

Deuteranopia (green-blind)

#0041AC

Tritanopia (blue-blind)

#00596E

Achromatopsia (no color)

#474747

Design tokens & code

CSS

--color: #2539ae;
/* rgb */ color: rgb(37, 57, 174);
/* oklch */ color: oklch(41.4% 0.186 268.7);

Tailwind

colors: {
  custom: {
    50: '#776fc7',
    500: '#2539ae',
    950: '#000000',
  },
}

SCSS

$custom: #2539ae;
$custom-light: #776fc7;
$custom-dark: #000000;

JSON

{
  "hex": "#2539ae",
  "rgb": {
    "r": 37,
    "g": 57,
    "b": 174
  },
  "hsl": {
    "h": 231.241,
    "s": 64.929,
    "l": 41.373
  },
  "oklch": {
    "l": 0.41352,
    "c": 0.186,
    "h": 268.7
  },
  "luminance": 0.06376
}

Semantic roles & 50–950 ramp

primary

#2539AE

secondary

#C6B968

accent

#CF40E8

background

#F7F6FC

surface

#EEECF8

border

#C9C7D1

text

#0A0713

muted

#7C7A82

Preview Lab

Preview with #2539AE

Body copy rendered with the generated semantic roles for this colour.

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