#2A4C81#2A4C81

#2A4C81 is a dark, moderate blue. Relative luminance 0.072; OKLCH L 41.9% C 0.097 H 259.0°. Best body text is #FFFFFF at 8.57:1 contrast (WCAG AA passes).

Color values

HEX	#2A4C81
RGB	rgb(42, 76, 129)
HSL	hsl(217, 51%, 34%)
HSV	hsv(217, 67%, 51%)
CMYK	cmyk(67.4%, 41.1%, 0%, 49.4%)
CIE-LAB	lab(32.36, 6.02, -33.57)
CIE-LCH	lch(32.36, 34.10, 280.16°)
OKLab	oklab(41.86% -0.0186 -0.0955)
OKLCH	oklch(41.86% 0.097 259)
XYZ	xyz(7.5003, 7.2454, 21.7679)
Luminance	0.0725 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2A4C81 #815F2A

analogous

#2A7781 #2A4C81 #332A81

triadic

#2A4C81 #812A4C #4C812A

tetradic

#2A4C81 #812A77 #815F2A #2A8133

square

#2A4C81 #812A77 #815F2A #2A8133

split-complementary

#2A4C81 #81332A #77812A

monochromatic

#0C1625 #1B3153 #2A4C81 #3967AF #5C87CA

Accessibility & contrast

On white

8.57

#2A4C81 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.45

#2A4C81 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2A4C81

8.57:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2A4C81	#FFFFFF	#000000	##FFFFFF
##2A4C81	1.00	8.57	2.45	8.57
#FFFFFF	8.57	1.00	21.00	1.00
#000000	2.45	21.00	1.00	21.00
##FFFFFF	8.57	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#345183

Deuteranopia (green-blind)

#274880

Tritanopia (blue-blind)

#005860

Achromatopsia (no color)

#4C4C4C

Design tokens & code

CSS

--color: #2a4c81;
/* rgb */ color: rgb(42, 76, 129);
/* oklch */ color: oklch(41.9% 0.097 259.0);

Tailwind

colors: {
  custom: {
    50: '#6d7da6',
    500: '#2a4c81',
    950: '#000000',
  },
}

SCSS

$custom: #2a4c81;
$custom-light: #6d7da6;
$custom-dark: #000000;

JSON

{
  "hex": "#2a4c81",
  "rgb": {
    "r": 42,
    "g": 76,
    "b": 129
  },
  "hsl": {
    "h": 216.552,
    "s": 50.877,
    "l": 33.529
  },
  "oklch": {
    "l": 0.41861,
    "c": 0.09735,
    "h": 259
  },
  "luminance": 0.07246
}

Semantic roles & 50–950 ramp

primary

#2A4C81

secondary

#AF8D57

accent

#A34DDA

background

#F6F7FA

surface

#ECEEF4

border

#C7C9CE

text

#08090F

muted

#7B7B7F

Preview Lab

Preview with #2A4C81

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

Preview Lab → · Contrast checker → · Palette generator →