#231A7E#231A7E

#231A7E is a dark, vivid blue. Relative luminance 0.026; OKLCH L 31.2% C 0.158 H 276.1°. Best body text is #FFFFFF at 13.81:1 contrast (WCAG AA passes).

Color values

HEX	#231A7E
RGB	rgb(35, 26, 126)
HSL	hsl(245, 66%, 30%)
HSV	hsv(245, 79%, 49%)
CMYK	cmyk(72.2%, 79.4%, 0%, 50.6%)
CIE-LAB	lab(18.37, 37.00, -54.39)
CIE-LCH	lch(18.37, 65.78, 304.23°)
OKLab	oklab(31.25% 0.0168 -0.1572)
OKLCH	oklch(31.25% 0.158 276.1)
XYZ	xyz(4.8272, 2.6020, 19.9825)
Luminance	0.0260 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#231A7E #757E1A

analogous

#1A437E #231A7E #551A7E

triadic

#231A7E #7E231A #1A7E23

tetradic

#231A7E #7E1A43 #757E1A #1A7E55

square

#231A7E #7E1A43 #757E1A #1A7E55

split-complementary

#231A7E #7E551A #437E1A

monochromatic

#070519 #15104B #231A7E #3124B1 #4A3CD7

Accessibility & contrast

On white

13.81

#231A7E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.52

#231A7E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #231A7E

13.81:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##231A7E	#FFFFFF	#000000	##FFFFFF
##231A7E	1.00	13.81	1.52	13.81
#FFFFFF	13.81	1.00	21.00	1.00
#000000	1.52	21.00	1.00	21.00
##FFFFFF	13.81	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003181

Deuteranopia (green-blind)

#00287C

Tritanopia (blue-blind)

#00384B

Achromatopsia (no color)

#2D2D2D

Design tokens & code

CSS

--color: #231a7e;
/* rgb */ color: rgb(35, 26, 126);
/* oklch */ color: oklch(31.2% 0.158 276.1);

Tailwind

colors: {
  custom: {
    50: '#6d59a4',
    500: '#231a7e',
    950: '#000000',
  },
}

SCSS

$custom: #231a7e;
$custom-light: #6d59a4;
$custom-dark: #000000;

JSON

{
  "hex": "#231a7e",
  "rgb": {
    "r": 35,
    "g": 26,
    "b": 126
  },
  "hsl": {
    "h": 245.4,
    "s": 65.789,
    "l": 29.804
  },
  "oklch": {
    "l": 0.31249,
    "c": 0.15812,
    "h": 276.1
  },
  "luminance": 0.02602
}

Semantic roles & 50–950 ramp

primary

#231A7E

secondary

#A8B242

accent

#E93FD9

background

#F7F5FA

surface

#EDE9F4

border

#C8C5CE

text

#08030F

muted

#7B787F

Preview Lab

Preview with #231A7E

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

Preview Lab → · Contrast checker → · Palette generator →