#231A60#231A60

#231A60 is a dark, moderate blue. Relative luminance 0.019; OKLCH L 28.0% C 0.118 H 281.4°. Best body text is #FFFFFF at 15.13:1 contrast (WCAG AA passes).

Color values

HEX	#231A60
RGB	rgb(35, 26, 96)
HSL	hsl(248, 57%, 24%)
HSV	hsv(248, 73%, 38%)
CMYK	cmyk(63.5%, 72.9%, 0%, 62.4%)
CIE-LAB	lab(15.17, 26.64, -40.16)
CIE-LCH	lch(15.17, 48.20, 303.56°)
OKLab	oklab(28.01% 0.0234 -0.1157)
OKLCH	oklch(28.01% 0.118 281.4)
XYZ	xyz(3.1732, 1.9404, 11.2714)
Luminance	0.0194 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#231A60 #57601A

analogous

#1A3460 #231A60 #461A60

triadic

#231A60 #60231A #1A6023

tetradic

#231A60 #601A34 #57601A #1A6046

square

#231A60 #601A34 #57601A #1A6046

split-complementary

#231A60 #60461A #34601A

monochromatic

#090718 #110D30 #231A60 #352790 #4634C0

Accessibility & contrast

On white

15.13

#231A60 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.39

#231A60 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #231A60

15.13:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##231A60	#FFFFFF	#000000	##FFFFFF
##231A60	1.00	15.13	1.39	15.13
#FFFFFF	15.13	1.00	21.00	1.00
#000000	1.39	21.00	1.00	21.00
##FFFFFF	15.13	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002862

Deuteranopia (green-blind)

#00235F

Tritanopia (blue-blind)

#002C3A

Achromatopsia (no color)

#262626

Design tokens & code

CSS

--color: #231a60;
/* rgb */ color: rgb(35, 26, 96);
/* oklch */ color: oklch(28.0% 0.118 281.4);

Tailwind

colors: {
  custom: {
    50: '#66578e',
    500: '#231a60',
    950: '#000000',
  },
}

SCSS

$custom: #231a60;
$custom-light: #66578e;
$custom-dark: #000000;

JSON

{
  "hex": "#231a60",
  "rgb": {
    "r": 35,
    "g": 26,
    "b": 96
  },
  "hsl": {
    "h": 247.714,
    "s": 57.377,
    "l": 23.922
  },
  "oklch": {
    "l": 0.28011,
    "c": 0.11802,
    "h": 281.4
  },
  "luminance": 0.01941
}

Semantic roles & 50–950 ramp

primary

#231A60

secondary

#8B9640

accent

#E147CD

background

#F6F5F8

surface

#EBE9F0

border

#C6C5CB

text

#06030C

muted

#7A787D

Preview Lab

Preview with #231A60

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

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