#231EA8#231EA8

#231EA8 is a dark, highly saturated blue. Relative luminance 0.041; OKLCH L 36.6% C 0.206 H 271.4°. Best body text is #FFFFFF at 11.52:1 contrast (WCAG AA passes).

Color values

HEX	#231EA8
RGB	rgb(35, 30, 168)
HSL	hsl(242, 70%, 39%)
HSV	hsv(242, 82%, 66%)
CMYK	cmyk(79.2%, 82.1%, 0%, 34.1%)
CIE-LAB	lab(24.04, 48.56, -71.03)
CIE-LCH	lch(24.04, 86.04, 304.36°)
OKLab	oklab(36.64% 0.0051 -0.2056)
OKLCH	oklch(36.64% 0.206 271.4)
XYZ	xyz(8.2229, 4.1121, 37.3985)
Luminance	0.0411 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#231EA8 #A3A81E

analogous

#1E5EA8 #231EA8 #681EA8

triadic

#231EA8 #A8231E #1EA823

tetradic

#231EA8 #A81E5E #A3A81E #1EA868

square

#231EA8 #A81E5E #A3A81E #1EA868

split-complementary

#231EA8 #A8681E #5EA81E

monochromatic

#0D0B40 #181574 #231EA8 #312AD9 #635EE2

Accessibility & contrast

On white

11.52

#231EA8 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.82

#231EA8 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #231EA8

11.52:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##231EA8	#FFFFFF	#000000	##FFFFFF
##231EA8	1.00	11.52	1.82	11.52
#FFFFFF	11.52	1.00	21.00	1.00
#000000	1.82	21.00	1.00	21.00
##FFFFFF	11.52	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0040AC

Deuteranopia (green-blind)

#0032A6

Tritanopia (blue-blind)

#004A64

Achromatopsia (no color)

#393939

Design tokens & code

CSS

--color: #231ea8;
/* rgb */ color: rgb(35, 30, 168);
/* oklch */ color: oklch(36.6% 0.206 271.4);

Tailwind

colors: {
  custom: {
    50: '#775ec3',
    500: '#231ea8',
    950: '#000000',
  },
}

SCSS

$custom: #231ea8;
$custom-light: #775ec3;
$custom-dark: #000000;

JSON

{
  "hex": "#231ea8",
  "rgb": {
    "r": 35,
    "g": 30,
    "b": 168
  },
  "hsl": {
    "h": 242.174,
    "s": 69.697,
    "l": 38.824
  },
  "oklch": {
    "l": 0.36644,
    "c": 0.20564,
    "h": 271.4
  },
  "luminance": 0.04113
}

Semantic roles & 50–950 ramp

primary

#231EA8

secondary

#C3C75B

accent

#ED3BE6

background

#F8F5FC

surface

#EFE9F8

border

#CAC5D1

text

#0B0513

muted

#7C7982

Preview Lab

Preview with #231EA8

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

Preview Lab → · Contrast checker → · Palette generator →