#2D318F#2D318F

#2D318F is a dark, vivid blue. Relative luminance 0.047; OKLCH L 37.4% C 0.152 H 274.4°. Best body text is #FFFFFF at 10.78:1 contrast (WCAG AA passes).

Color values

HEX	#2D318F
RGB	rgb(45, 49, 143)
HSL	hsl(238, 52%, 37%)
HSV	hsv(238, 69%, 56%)
CMYK	cmyk(68.5%, 65.7%, 0%, 43.9%)
CIE-LAB	lab(25.97, 30.03, -52.54)
CIE-LCH	lch(25.97, 60.51, 299.75°)
OKLab	oklab(37.41% 0.0117 -0.1516)
OKLCH	oklch(37.41% 0.152 274.4)
XYZ	xyz(7.1368, 4.7370, 26.5195)
Luminance	0.0474 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2D318F #8F8B2D

analogous

#2D628F #2D318F #5A2D8F

triadic

#2D318F #8F2D31 #318F2D

tetradic

#2D318F #8F2D62 #8F8B2D #2D8F5A

square

#2D318F #8F2D62 #8F8B2D #2D8F5A

split-complementary

#2D318F #8F5A2D #628F2D

monochromatic

#101132 #1E2160 #2D318F #3C41BE #676BCF

Accessibility & contrast

On white

10.78

#2D318F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.95

#2D318F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2D318F

10.78:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2D318F	#FFFFFF	#000000	##FFFFFF
##2D318F	1.00	10.78	1.95	10.78
#FFFFFF	10.78	1.00	21.00	1.00
#000000	1.95	21.00	1.00	21.00
##FFFFFF	10.78	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004292

Deuteranopia (green-blind)

#00398D

Tritanopia (blue-blind)

#00495B

Achromatopsia (no color)

#3D3D3D

Design tokens & code

CSS

--color: #2d318f;
/* rgb */ color: rgb(45, 49, 143);
/* oklch */ color: oklch(37.4% 0.152 274.4);

Tailwind

colors: {
  custom: {
    50: '#7369b1',
    500: '#2d318f',
    950: '#000000',
  },
}

SCSS

$custom: #2d318f;
$custom-light: #7369b1;
$custom-dark: #000000;

JSON

{
  "hex": "#2d318f",
  "rgb": {
    "r": 45,
    "g": 49,
    "b": 143
  },
  "hsl": {
    "h": 237.551,
    "s": 52.128,
    "l": 36.863
  },
  "oklch": {
    "l": 0.37407,
    "c": 0.15203,
    "h": 274.4
  },
  "luminance": 0.04738
}

Semantic roles & 50–950 ramp

primary

#2D318F

secondary

#B6B262

accent

#D64CDC

background

#F7F6FB

surface

#EDEBF6

border

#C8C6D0

text

#090611

muted

#7B7A80

Preview Lab

Preview with #2D318F

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

Preview Lab → · Contrast checker → · Palette generator →