#2D317F#2D317F

#2D317F is a dark, vivid blue. Relative luminance 0.043; OKLCH L 36.0% C 0.129 H 275.5°. Best body text is #FFFFFF at 11.31:1 contrast (WCAG AA passes).

Color values

HEX	#2D317F
RGB	rgb(45, 49, 127)
HSL	hsl(237, 48%, 34%)
HSV	hsv(237, 65%, 50%)
CMYK	cmyk(64.6%, 61.4%, 0%, 50.2%)
CIE-LAB	lab(24.60, 24.21, -44.79)
CIE-LCH	lch(24.60, 50.92, 298.39°)
OKLab	oklab(35.97% 0.0125 -0.1288)
OKLCH	oklch(35.97% 0.129 275.5)
XYZ	xyz(6.0100, 4.2863, 20.5852)
Luminance	0.0429 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2D317F #7F7B2D

analogous

#2D5A7F #2D317F #522D7F

triadic

#2D317F #7F2D31 #317F2D

tetradic

#2D317F #7F2D5A #7F7B2D #2D7F52

square

#2D317F #7F2D5A #7F7B2D #2D7F52

split-complementary

#2D317F #7F522D #5A7F2D

monochromatic

#0D0E25 #1D2052 #2D317F #3D42AC #6065C7

Accessibility & contrast

On white

11.31

#2D317F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.86

#2D317F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2D317F

11.31:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2D317F	#FFFFFF	#000000	##FFFFFF
##2D317F	1.00	11.31	1.86	11.31
#FFFFFF	11.31	1.00	21.00	1.00
#000000	1.86	21.00	1.00	21.00
##FFFFFF	11.31	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003E82

Deuteranopia (green-blind)

#00377D

Tritanopia (blue-blind)

#004453

Achromatopsia (no color)

#3A3A3A

Design tokens & code

CSS

--color: #2d317f;
/* rgb */ color: rgb(45, 49, 127);
/* oklch */ color: oklch(36.0% 0.129 275.5);

Tailwind

colors: {
  custom: {
    50: '#7069a5',
    500: '#2d317f',
    950: '#000000',
  },
}

SCSS

$custom: #2d317f;
$custom-light: #7069a5;
$custom-dark: #000000;

JSON

{
  "hex": "#2d317f",
  "rgb": {
    "r": 45,
    "g": 49,
    "b": 127
  },
  "hsl": {
    "h": 237.073,
    "s": 47.674,
    "l": 33.725
  },
  "oklch": {
    "l": 0.35967,
    "c": 0.12945,
    "h": 275.5
  },
  "luminance": 0.04287
}

Semantic roles & 50–950 ramp

primary

#2D317F

secondary

#ADA95B

accent

#D151D7

background

#F7F6FA

surface

#EDEBF4

border

#C8C6CE

text

#08060F

muted

#7B7A7F

Preview Lab

Preview with #2D317F

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

Preview Lab → · Contrast checker → · Palette generator →