#2D317D#2D317D

#2D317D is a dark, vivid blue. Relative luminance 0.042; OKLCH L 35.8% C 0.127 H 275.7°. Best body text is #FFFFFF at 11.37:1 contrast (WCAG AA passes).

Color values

HEX	#2D317D
RGB	rgb(45, 49, 125)
HSL	hsl(237, 47%, 33%)
HSV	hsv(237, 64%, 49%)
CMYK	cmyk(64%, 60.8%, 0%, 51%)
CIE-LAB	lab(24.43, 23.48, -43.80)
CIE-LCH	lch(24.43, 49.70, 298.20°)
OKLab	oklab(35.79% 0.0125 -0.1259)
OKLCH	oklch(35.79% 0.127 275.7)
XYZ	xyz(5.8810, 4.2347, 19.9055)
Luminance	0.0423 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2D317D #7D792D

analogous

#2D597D #2D317D #512D7D

triadic

#2D317D #7D2D31 #317D2D

tetradic

#2D317D #7D2D59 #7D792D #2D7D51

square

#2D317D #7D2D59 #7D792D #2D7D51

split-complementary

#2D317D #7D512D #597D2D

monochromatic

#0D0E23 #1D1F50 #2D317D #3D43AA #5F64C5

Accessibility & contrast

On white

11.37

#2D317D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.85

#2D317D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2D317D

11.37:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2D317D	#FFFFFF	#000000	##FFFFFF
##2D317D	1.00	11.37	1.85	11.37
#FFFFFF	11.37	1.00	21.00	1.00
#000000	1.85	21.00	1.00	21.00
##FFFFFF	11.37	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003E80

Deuteranopia (green-blind)

#00377B

Tritanopia (blue-blind)

#004352

Achromatopsia (no color)

#3A3A3A

Design tokens & code

CSS

--color: #2d317d;
/* rgb */ color: rgb(45, 49, 125);
/* oklch */ color: oklch(35.8% 0.127 275.7);

Tailwind

colors: {
  custom: {
    50: '#6f69a3',
    500: '#2d317d',
    950: '#000000',
  },
}

SCSS

$custom: #2d317d;
$custom-light: #6f69a3;
$custom-dark: #000000;

JSON

{
  "hex": "#2d317d",
  "rgb": {
    "r": 45,
    "g": 49,
    "b": 125
  },
  "hsl": {
    "h": 237,
    "s": 47.059,
    "l": 33.333
  },
  "oklch": {
    "l": 0.35794,
    "c": 0.12655,
    "h": 275.7
  },
  "luminance": 0.04235
}

Semantic roles & 50–950 ramp

primary

#2D317D

secondary

#ACA85A

accent

#D051D7

background

#F7F6FA

surface

#EDEBF4

border

#C8C6CE

text

#08060F

muted

#7B7A7F

Preview Lab

Preview with #2D317D

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

Preview Lab → · Contrast checker → · Palette generator →