#2B4F73#2B4F73

#2B4F73 is a dark, moderate cyan. Relative luminance 0.073; OKLCH L 41.8% C 0.074 H 250.0°. Best body text is #FFFFFF at 8.51:1 contrast (WCAG AA passes).

Color values

HEX	#2B4F73
RGB	rgb(43, 79, 115)
HSL	hsl(210, 46%, 31%)
HSV	hsv(210, 63%, 45%)
CMYK	cmyk(62.6%, 31.3%, 0%, 54.9%)
CIE-LAB	lab(32.57, -0.94, -24.51)
CIE-LCH	lch(32.57, 24.53, 267.81°)
OKLab	oklab(41.79% -0.0252 -0.0691)
OKLCH	oklch(41.79% 0.074 250)
XYZ	xyz(6.8856, 7.3427, 17.2708)
Luminance	0.0734 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B4F73 #734F2B

analogous

#2B7373 #2B4F73 #2B2B73

triadic

#2B4F73 #732B4F #4F732B

tetradic

#2B4F73 #732B73 #734F2B #2B732B

square

#2B4F73 #732B73 #734F2B #2B732B

split-complementary

#2B4F73 #732B2B #73732B

monochromatic

#0A121A #1A3046 #2B4F73 #3C6EA0 #588CC1

Accessibility & contrast

On white

8.51

#2B4F73 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.47

#2B4F73 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2B4F73

8.51:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B4F73	#FFFFFF	#000000	##FFFFFF
##2B4F73	1.00	8.51	2.47	8.51
#FFFFFF	8.51	1.00	21.00	1.00
#000000	2.47	21.00	1.00	21.00
##FFFFFF	8.51	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#405175

Deuteranopia (green-blind)

#364972

Tritanopia (blue-blind)

#00575C

Achromatopsia (no color)

#4D4D4D

Design tokens & code

CSS

--color: #2b4f73;
/* rgb */ color: rgb(43, 79, 115);
/* oklch */ color: oklch(41.8% 0.074 250.0);

Tailwind

colors: {
  custom: {
    50: '#6b809b',
    500: '#2b4f73',
    950: '#000000',
  },
}

SCSS

$custom: #2b4f73;
$custom-light: #6b809b;
$custom-dark: #000000;

JSON

{
  "hex": "#2b4f73",
  "rgb": {
    "r": 43,
    "g": 79,
    "b": 115
  },
  "hsl": {
    "h": 210,
    "s": 45.57,
    "l": 30.98
  },
  "oklch": {
    "l": 0.41791,
    "c": 0.07352,
    "h": 250
  },
  "luminance": 0.07343
}

Semantic roles & 50–950 ramp

primary

#2B4F73

secondary

#A57D55

accent

#9453D5

background

#F6F7F9

surface

#ECEEF2

border

#C7C9CC

text

#070A0E

muted

#7A7C7E

Preview Lab

Preview with #2B4F73

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

Preview Lab → · Contrast checker → · Palette generator →