#231A70#231A70

#231A70 is a dark, vivid blue. Relative luminance 0.023; OKLCH L 29.7% C 0.140 H 278.3°. Best body text is #FFFFFF at 14.45:1 contrast (WCAG AA passes).

Color values

HEX	#231A70
RGB	rgb(35, 26, 112)
HSL	hsl(246, 62%, 27%)
HSV	hsv(246, 77%, 44%)
CMYK	cmyk(68.8%, 76.8%, 0%, 56.1%)
CIE-LAB	lab(16.82, 32.24, -47.96)
CIE-LCH	lch(16.82, 57.78, 303.91°)
OKLab	oklab(29.69% 0.0202 -0.1385)
OKLCH	oklch(29.69% 0.14 278.3)
XYZ	xyz(3.9862, 2.2656, 15.5533)
Luminance	0.0227 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#231A70 #67701A

analogous

#1A3C70 #231A70 #4E1A70

triadic

#231A70 #70231A #1A7023

tetradic

#231A70 #701A3C #67701A #1A704E

square

#231A70 #701A3C #67701A #1A704E

split-complementary

#231A70 #704E1A #3C701A

monochromatic

#080619 #130E3E #231A70 #3326A2 #4534D0

Accessibility & contrast

On white

14.45

#231A70 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.45

#231A70 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #231A70

14.45:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##231A70	#FFFFFF	#000000	##FFFFFF
##231A70	1.00	14.45	1.45	14.45
#FFFFFF	14.45	1.00	21.00	1.00
#000000	1.45	21.00	1.00	21.00
##FFFFFF	14.45	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002D73

Deuteranopia (green-blind)

#00266E

Tritanopia (blue-blind)

#003243

Achromatopsia (no color)

#292929

Design tokens & code

CSS

--color: #231a70;
/* rgb */ color: rgb(35, 26, 112);
/* oklch */ color: oklch(29.7% 0.140 278.3);

Tailwind

colors: {
  custom: {
    50: '#6a589a',
    500: '#231a70',
    950: '#000000',
  },
}

SCSS

$custom: #231a70;
$custom-light: #6a589a;
$custom-dark: #000000;

JSON

{
  "hex": "#231a70",
  "rgb": {
    "r": 35,
    "g": 26,
    "b": 112
  },
  "hsl": {
    "h": 246.279,
    "s": 62.319,
    "l": 27.059
  },
  "oklch": {
    "l": 0.29693,
    "c": 0.13994,
    "h": 278.3
  },
  "luminance": 0.02266
}

Semantic roles & 50–950 ramp

primary

#231A70

secondary

#9BA541

accent

#E542D4

background

#F6F5F9

surface

#ECE9F2

border

#C7C5CC

text

#07030E

muted

#7A787E

Preview Lab

Preview with #231A70

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

Preview Lab → · Contrast checker → · Palette generator →