#2B5A71#2B5A71

#2B5A71 is a dark, moderate cyan. Relative luminance 0.090; OKLCH L 44.5% C 0.064 H 231.9°. Best body text is #FFFFFF at 7.49:1 contrast (WCAG AA passes).

Color values

HEX	#2B5A71
RGB	rgb(43, 90, 113)
HSL	hsl(200, 45%, 31%)
HSV	hsv(200, 62%, 44%)
CMYK	cmyk(61.9%, 20.4%, 0%, 55.7%)
CIE-LAB	lab(36.02, -8.51, -17.92)
CIE-LCH	lch(36.02, 19.84, 244.61°)
OKLab	oklab(44.48% -0.0392 -0.05)
OKLCH	oklch(44.48% 0.064 231.9)
XYZ	xyz(7.6319, 9.0174, 16.9579)
Luminance	0.0902 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B5A71 #71422B

analogous

#2B7165 #2B5A71 #2B3771

triadic

#2B5A71 #712B5A #5A712B

tetradic

#2B5A71 #652B71 #71422B #37712B

square

#2B5A71 #652B71 #71422B #37712B

split-complementary

#2B5A71 #712B37 #71652B

monochromatic

#091318 #1A3745 #2B5A71 #3C7D9D #579DBF

Accessibility & contrast

On white

7.49

#2B5A71 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.80

#2B5A71 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2B5A71

7.49:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B5A71	#FFFFFF	#000000	##FFFFFF
##2B5A71	1.00	7.49	2.80	7.49
#FFFFFF	7.49	1.00	21.00	1.00
#000000	2.80	21.00	1.00	21.00
##FFFFFF	7.49	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4F5972

Deuteranopia (green-blind)

#455271

Tritanopia (blue-blind)

#006062

Achromatopsia (no color)

#555555

Design tokens & code

CSS

--color: #2b5a71;
/* rgb */ color: rgb(43, 90, 113);
/* oklch */ color: oklch(44.5% 0.064 231.9);

Tailwind

colors: {
  custom: {
    50: '#6b889a',
    500: '#2b5a71',
    950: '#000000',
  },
}

SCSS

$custom: #2b5a71;
$custom-light: #6b889a;
$custom-dark: #000000;

JSON

{
  "hex": "#2b5a71",
  "rgb": {
    "r": 43,
    "g": 90,
    "b": 113
  },
  "hsl": {
    "h": 199.714,
    "s": 44.872,
    "l": 30.588
  },
  "oklch": {
    "l": 0.44483,
    "c": 0.06357,
    "h": 231.9
  },
  "luminance": 0.09018
}

Semantic roles & 50–950 ramp

primary

#2B5A71

secondary

#A36F55

accent

#7E53D5

background

#F6F8F9

surface

#ECEFF2

border

#C7CACC

text

#070B0E

muted

#7A7C7E

Preview Lab

Preview with #2B5A71

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

Preview Lab → · Contrast checker → · Palette generator →