#231E9F#231E9F

#231E9F is a dark, vivid blue. Relative luminance 0.038; OKLCH L 35.6% C 0.195 H 272.1°. Best body text is #FFFFFF at 11.95:1 contrast (WCAG AA passes).

Color values

HEX	#231E9F
RGB	rgb(35, 30, 159)
HSL	hsl(242, 68%, 37%)
HSV	hsv(242, 81%, 62%)
CMYK	cmyk(78%, 81.1%, 0%, 37.6%)
CIE-LAB	lab(22.96, 45.70, -67.36)
CIE-LCH	lch(22.96, 81.40, 304.16°)
OKLab	oklab(35.58% 0.0072 -0.1949)
OKLCH	oklch(35.58% 0.195 272.1)
XYZ	xyz(7.4133, 3.7883, 33.1347)
Luminance	0.0379 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#231E9F #9A9F1E

analogous

#1E599F #231E9F #641E9F

triadic

#231E9F #9F231E #1E9F23

tetradic

#231E9F #9F1E59 #9A9F1E #1E9F64

square

#231E9F #9F1E59 #9A9F1E #1E9F64

split-complementary

#231E9F #9F641E #599F1E

monochromatic

#0C0B38 #18146C #231E9F #2E28D2 #5D58DF

Accessibility & contrast

On white

11.95

#231E9F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.76

#231E9F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #231E9F

11.95:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##231E9F	#FFFFFF	#000000	##FFFFFF
##231E9F	1.00	11.95	1.76	11.95
#FFFFFF	11.95	1.00	21.00	1.00
#000000	1.76	21.00	1.00	21.00
##FFFFFF	11.95	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003DA3

Deuteranopia (green-blind)

#00309D

Tritanopia (blue-blind)

#00465F

Achromatopsia (no color)

#373737

Design tokens & code

CSS

--color: #231e9f;
/* rgb */ color: rgb(35, 30, 159);
/* oklch */ color: oklch(35.6% 0.195 272.1);

Tailwind

colors: {
  custom: {
    50: '#755dbd',
    500: '#231e9f',
    950: '#000000',
  },
}

SCSS

$custom: #231e9f;
$custom-light: #755dbd;
$custom-dark: #000000;

JSON

{
  "hex": "#231e9f",
  "rgb": {
    "r": 35,
    "g": 30,
    "b": 159
  },
  "hsl": {
    "h": 242.326,
    "s": 68.254,
    "l": 37.059
  },
  "oklch": {
    "l": 0.35581,
    "c": 0.19506,
    "h": 272.1
  },
  "luminance": 0.03789
}

Semantic roles & 50–950 ramp

primary

#231E9F

secondary

#BFC356

accent

#EB3DE4

background

#F7F5FB

surface

#EEE9F7

border

#C9C5D0

text

#0A0412

muted

#7C7981

Preview Lab

Preview with #231E9F

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

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