#2D317E#2D317E

#2D317E is a dark, vivid blue. Relative luminance 0.043; OKLCH L 35.9% C 0.128 H 275.6°. Best body text is #FFFFFF at 11.34:1 contrast (WCAG AA passes).

Color values

HEX	#2D317E
RGB	rgb(45, 49, 126)
HSL	hsl(237, 47%, 34%)
HSV	hsv(237, 64%, 49%)
CMYK	cmyk(64.3%, 61.1%, 0%, 50.6%)
CIE-LAB	lab(24.51, 23.85, -44.30)
CIE-LCH	lch(24.51, 50.31, 298.30°)
OKLab	oklab(35.88% 0.0125 -0.1274)
OKLCH	oklch(35.88% 0.128 275.6)
XYZ	xyz(5.9452, 4.2604, 20.2437)
Luminance	0.0426 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2D317E #7E7A2D

analogous

#2D597E #2D317E #512D7E

triadic

#2D317E #7E2D31 #317E2D

tetradic

#2D317E #7E2D59 #7E7A2D #2D7E51

square

#2D317E #7E2D59 #7E7A2D #2D7E51

split-complementary

#2D317E #7E512D #597E2D

monochromatic

#0D0E24 #1D1F51 #2D317E #3D43AB #5F64C6

Accessibility & contrast

On white

11.34

#2D317E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.85

#2D317E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2D317E

11.34:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2D317E	#FFFFFF	#000000	##FFFFFF
##2D317E	1.00	11.34	1.85	11.34
#FFFFFF	11.34	1.00	21.00	1.00
#000000	1.85	21.00	1.00	21.00
##FFFFFF	11.34	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003E81

Deuteranopia (green-blind)

#00377C

Tritanopia (blue-blind)

#004452

Achromatopsia (no color)

#3A3A3A

Design tokens & code

CSS

--color: #2d317e;
/* rgb */ color: rgb(45, 49, 126);
/* oklch */ color: oklch(35.9% 0.128 275.6);

Tailwind

colors: {
  custom: {
    50: '#6f69a4',
    500: '#2d317e',
    950: '#000000',
  },
}

SCSS

$custom: #2d317e;
$custom-light: #6f69a4;
$custom-dark: #000000;

JSON

{
  "hex": "#2d317e",
  "rgb": {
    "r": 45,
    "g": 49,
    "b": 126
  },
  "hsl": {
    "h": 237.037,
    "s": 47.368,
    "l": 33.529
  },
  "oklch": {
    "l": 0.3588,
    "c": 0.128,
    "h": 275.6
  },
  "luminance": 0.04261
}

Semantic roles & 50–950 ramp

primary

#2D317E

secondary

#ACA85A

accent

#D051D7

background

#F7F6FA

surface

#EDEBF4

border

#C8C6CE

text

#08060F

muted

#7B7A7F

Preview Lab

Preview with #2D317E

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

Preview Lab → · Contrast checker → · Palette generator →