#2431A7#2431A7

#2431A7 is a dark, vivid blue. Relative luminance 0.054; OKLCH L 39.2% C 0.186 H 269.8°. Best body text is #FFFFFF at 10.13:1 contrast (WCAG AA passes).

Color values

HEX	#2431A7
RGB	rgb(36, 49, 167)
HSL	hsl(234, 65%, 40%)
HSV	hsv(234, 78%, 65%)
CMYK	cmyk(78.4%, 70.7%, 0%, 34.5%)
CIE-LAB	lab(27.74, 37.65, -64.31)
CIE-LCH	lch(27.74, 74.52, 300.35°)
OKLab	oklab(39.25% -0.0006 -0.1862)
OKLCH	oklch(39.25% 0.186 269.8)
XYZ	xyz(8.7985, 5.3607, 37.1227)
Luminance	0.0536 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2431A7 #A79A24

analogous

#2472A7 #2431A7 #5924A7

triadic

#2431A7 #A72431 #31A724

tetradic

#2431A7 #A72472 #A79A24 #24A759

square

#2431A7 #A72472 #A79A24 #24A759

split-complementary

#2431A7 #A75924 #72A724

monochromatic

#0E1342 #192275 #2431A7 #3545D3 #6773DE

Accessibility & contrast

On white

10.13

#2431A7 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.07

#2431A7 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2431A7

10.13:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2431A7	#FFFFFF	#000000	##FFFFFF
##2431A7	1.00	10.13	2.07	10.13
#FFFFFF	10.13	1.00	21.00	1.00
#000000	2.07	21.00	1.00	21.00
##FFFFFF	10.13	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0048AB

Deuteranopia (green-blind)

#003BA5

Tritanopia (blue-blind)

#005268

Achromatopsia (no color)

#414141

Design tokens & code

CSS

--color: #2431a7;
/* rgb */ color: rgb(36, 49, 167);
/* oklch */ color: oklch(39.2% 0.186 269.8);

Tailwind

colors: {
  custom: {
    50: '#7669c2',
    500: '#2431a7',
    950: '#000000',
  },
}

SCSS

$custom: #2431a7;
$custom-light: #7669c2;
$custom-dark: #000000;

JSON

{
  "hex": "#2431a7",
  "rgb": {
    "r": 36,
    "g": 49,
    "b": 167
  },
  "hsl": {
    "h": 234.046,
    "s": 64.532,
    "l": 39.804
  },
  "oklch": {
    "l": 0.39247,
    "c": 0.18621,
    "h": 269.8
  },
  "luminance": 0.05362
}

Semantic roles & 50–950 ramp

primary

#2431A7

secondary

#C4BA63

accent

#D740E8

background

#F7F6FC

surface

#EEEBF8

border

#C9C6D1

text

#0A0613

muted

#7C7A82

Preview Lab

Preview with #2431A7

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

Preview Lab → · Contrast checker → · Palette generator →