#231A7F#231A7F

#231A7F is a dark, vivid blue. Relative luminance 0.026; OKLCH L 31.4% C 0.159 H 276.0°. Best body text is #FFFFFF at 13.77:1 contrast (WCAG AA passes).

Color values

HEX	#231A7F
RGB	rgb(35, 26, 127)
HSL	hsl(245, 66%, 30%)
HSV	hsv(245, 80%, 50%)
CMYK	cmyk(72.4%, 79.5%, 0%, 50.2%)
CIE-LAB	lab(18.49, 37.33, -54.84)
CIE-LCH	lch(18.49, 66.34, 304.25°)
OKLab	oklab(31.36% 0.0166 -0.1585)
OKLCH	oklch(31.36% 0.159 276)
XYZ	xyz(4.8920, 2.6280, 20.3240)
Luminance	0.0263 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#231A7F #767F1A

analogous

#1A437F #231A7F #561A7F

triadic

#231A7F #7F231A #1A7F23

tetradic

#231A7F #7F1A43 #767F1A #1A7F56

square

#231A7F #7F1A43 #767F1A #1A7F56

split-complementary

#231A7F #7F561A #437F1A

monochromatic

#070519 #15104C #231A7F #3124B2 #4A3CD7

Accessibility & contrast

On white

13.77

#231A7F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.53

#231A7F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #231A7F

13.77:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##231A7F	#FFFFFF	#000000	##FFFFFF
##231A7F	1.00	13.77	1.53	13.77
#FFFFFF	13.77	1.00	21.00	1.00
#000000	1.53	21.00	1.00	21.00
##FFFFFF	13.77	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003182

Deuteranopia (green-blind)

#00297D

Tritanopia (blue-blind)

#00384C

Achromatopsia (no color)

#2D2D2D

Design tokens & code

CSS

--color: #231a7f;
/* rgb */ color: rgb(35, 26, 127);
/* oklch */ color: oklch(31.4% 0.159 276.0);

Tailwind

colors: {
  custom: {
    50: '#6d59a5',
    500: '#231a7f',
    950: '#000000',
  },
}

SCSS

$custom: #231a7f;
$custom-light: #6d59a5;
$custom-dark: #000000;

JSON

{
  "hex": "#231a7f",
  "rgb": {
    "r": 35,
    "g": 26,
    "b": 127
  },
  "hsl": {
    "h": 245.347,
    "s": 66.013,
    "l": 30
  },
  "oklch": {
    "l": 0.31362,
    "c": 0.15939,
    "h": 276
  },
  "luminance": 0.02628
}

Semantic roles & 50–950 ramp

primary

#231A7F

secondary

#A9B342

accent

#E93FDA

background

#F7F5FA

surface

#EDE9F4

border

#C8C5CE

text

#08030F

muted

#7B787F

Preview Lab

Preview with #231A7F

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

Preview Lab → · Contrast checker → · Palette generator →