#2531AE#2531AE

#2531AE is a dark, vivid blue. Relative luminance 0.056; OKLCH L 40.0% C 0.195 H 269.9°. Best body text is #FFFFFF at 9.86:1 contrast (WCAG AA passes).

Color values

HEX	#2531AE
RGB	rgb(37, 49, 174)
HSL	hsl(235, 65%, 41%)
HSV	hsv(235, 79%, 68%)
CMYK	cmyk(78.7%, 71.8%, 0%, 31.8%)
CIE-LAB	lab(28.50, 40.23, -67.26)
CIE-LCH	lch(28.50, 78.37, 300.88°)
OKLab	oklab(40.02% -0.0005 -0.1948)
OKLCH	oklch(40.02% 0.195 269.9)
XYZ	xyz(9.4986, 5.6449, 40.6251)
Luminance	0.0565 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2531AE #AEA225

analogous

#2576AE #2531AE #5E25AE

triadic

#2531AE #AE2531 #31AE25

tetradic

#2531AE #AE2576 #AEA225 #25AE5E

square

#2531AE #AE2576 #AEA225 #25AE5E

split-complementary

#2531AE #AE5E25 #76AE25

monochromatic

#101549 #1A237C #2531AE #3B48D5 #6D77E0

Accessibility & contrast

On white

9.86

#2531AE on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.13

#2531AE on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2531AE

9.86:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2531AE	#FFFFFF	#000000	##FFFFFF
##2531AE	1.00	9.86	2.13	9.86
#FFFFFF	9.86	1.00	21.00	1.00
#000000	2.13	21.00	1.00	21.00
##FFFFFF	9.86	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004AB2

Deuteranopia (green-blind)

#003CAC

Tritanopia (blue-blind)

#00546C

Achromatopsia (no color)

#434343

Design tokens & code

CSS

--color: #2531ae;
/* rgb */ color: rgb(37, 49, 174);
/* oklch */ color: oklch(40.0% 0.195 269.9);

Tailwind

colors: {
  custom: {
    50: '#786ac7',
    500: '#2531ae',
    950: '#000000',
  },
}

SCSS

$custom: #2531ae;
$custom-light: #786ac7;
$custom-dark: #000000;

JSON

{
  "hex": "#2531ae",
  "rgb": {
    "r": 37,
    "g": 49,
    "b": 174
  },
  "hsl": {
    "h": 234.745,
    "s": 64.929,
    "l": 41.373
  },
  "oklch": {
    "l": 0.4002,
    "c": 0.1948,
    "h": 269.9
  },
  "luminance": 0.05646
}

Semantic roles & 50–950 ramp

primary

#2531AE

secondary

#C6BE68

accent

#D940E8

background

#F8F6FC

surface

#EFEBF8

border

#CAC6D1

text

#0B0613

muted

#7C7A82

Preview Lab

Preview with #2531AE

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

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