#2D4E81#2D4E81

#2D4E81 is a dark, moderate blue. Relative luminance 0.076; OKLCH L 42.5% C 0.094 H 258.8°. Best body text is #FFFFFF at 8.34:1 contrast (WCAG AA passes).

Color values

HEX	#2D4E81
RGB	rgb(45, 78, 129)
HSL	hsl(216, 48%, 34%)
HSV	hsv(216, 65%, 51%)
CMYK	cmyk(65.1%, 39.5%, 0%, 49.4%)
CIE-LAB	lab(33.12, 5.27, -32.36)
CIE-LCH	lch(33.12, 32.78, 279.26°)
OKLab	oklab(42.49% -0.0182 -0.0919)
OKLCH	oklch(42.49% 0.094 258.8)
XYZ	xyz(7.7676, 7.5909, 21.8205)
Luminance	0.0759 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2D4E81 #81602D

analogous

#2D7881 #2D4E81 #362D81

triadic

#2D4E81 #812D4E #4E812D

tetradic

#2D4E81 #812D78 #81602D #2D8136

square

#2D4E81 #812D78 #81602D #2D8136

split-complementary

#2D4E81 #81362D #78812D

monochromatic

#0D1726 #1D3354 #2D4E81 #3D69AE #6189C8

Accessibility & contrast

On white

8.34

#2D4E81 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.52

#2D4E81 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2D4E81

8.34:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2D4E81	#FFFFFF	#000000	##FFFFFF
##2D4E81	1.00	8.34	2.52	8.34
#FFFFFF	8.34	1.00	21.00	1.00
#000000	2.52	21.00	1.00	21.00
##FFFFFF	8.34	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#385283

Deuteranopia (green-blind)

#2C4A80

Tritanopia (blue-blind)

#005A61

Achromatopsia (no color)

#4E4E4E

Design tokens & code

CSS

--color: #2d4e81;
/* rgb */ color: rgb(45, 78, 129);
/* oklch */ color: oklch(42.5% 0.094 258.8);

Tailwind

colors: {
  custom: {
    50: '#6f7fa6',
    500: '#2d4e81',
    950: '#000000',
  },
}

SCSS

$custom: #2d4e81;
$custom-light: #6f7fa6;
$custom-dark: #000000;

JSON

{
  "hex": "#2d4e81",
  "rgb": {
    "r": 45,
    "g": 78,
    "b": 129
  },
  "hsl": {
    "h": 216.429,
    "s": 48.276,
    "l": 34.118
  },
  "oklch": {
    "l": 0.42488,
    "c": 0.0937,
    "h": 258.8
  },
  "luminance": 0.07592
}

Semantic roles & 50–950 ramp

primary

#2D4E81

secondary

#AE8E5C

accent

#A250D8

background

#F7F7FA

surface

#EDEEF4

border

#C8C9CE

text

#080A0F

muted

#7B7C7F

Preview Lab

Preview with #2D4E81

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

Preview Lab → · Contrast checker → · Palette generator →