#2B4E63#2B4E63

#2B4E63 is a dark, muted cyan. Relative luminance 0.069; OKLCH L 40.7% C 0.054 H 236.5°. Best body text is #FFFFFF at 8.85:1 contrast (WCAG AA passes).

Color values

HEX	#2B4E63
RGB	rgb(43, 78, 99)
HSL	hsl(203, 39%, 28%)
HSV	hsv(203, 57%, 39%)
CMYK	cmyk(56.6%, 21.2%, 0%, 61.2%)
CIE-LAB	lab(31.49, -5.93, -16.12)
CIE-LCH	lch(31.49, 17.18, 249.80°)
OKLab	oklab(40.69% -0.0297 -0.0449)
OKLCH	oklch(40.69% 0.054 236.5)
XYZ	xyz(5.9720, 6.8627, 12.8119)
Luminance	0.0686 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B4E63 #63402B

analogous

#2B635C #2B4E63 #2B3263

triadic

#2B4E63 #632B4E #4E632B

tetradic

#2B4E63 #5C2B63 #63402B #32632B

square

#2B4E63 #5C2B63 #63402B #32632B

split-complementary

#2B4E63 #632B32 #635C2B

monochromatic

#091115 #182C38 #2B4E63 #3E708E #5490B5

Accessibility & contrast

On white

8.85

#2B4E63 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.37

#2B4E63 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2B4E63

8.85:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B4E63	#FFFFFF	#000000	##FFFFFF
##2B4E63	1.00	8.85	2.37	8.85
#FFFFFF	8.85	1.00	21.00	1.00
#000000	2.37	21.00	1.00	21.00
##FFFFFF	8.85	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#444D64

Deuteranopia (green-blind)

#3D4863

Tritanopia (blue-blind)

#075355

Achromatopsia (no color)

#4A4A4A

Design tokens & code

CSS

--color: #2b4e63;
/* rgb */ color: rgb(43, 78, 99);
/* oklch */ color: oklch(40.7% 0.054 236.5);

Tailwind

colors: {
  custom: {
    50: '#697f8f',
    500: '#2b4e63',
    950: '#000000',
  },
}

SCSS

$custom: #2b4e63;
$custom-light: #697f8f;
$custom-dark: #000000;

JSON

{
  "hex": "#2b4e63",
  "rgb": {
    "r": 43,
    "g": 78,
    "b": 99
  },
  "hsl": {
    "h": 202.5,
    "s": 39.437,
    "l": 27.843
  },
  "oklch": {
    "l": 0.40686,
    "c": 0.05387,
    "h": 236.5
  },
  "luminance": 0.06863
}

Semantic roles & 50–950 ramp

primary

#2B4E63

secondary

#956D55

accent

#8558CF

background

#F6F7F8

surface

#EBEEF0

border

#C6C9CB

text

#060A0C

muted

#7A7C7D

Preview Lab

Preview with #2B4E63

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

Preview Lab → · Contrast checker → · Palette generator →