#2B5B73#2B5B73

#2B5B73 is a dark, moderate cyan. Relative luminance 0.092; OKLCH L 44.8% C 0.065 H 232.5°. Best body text is #FFFFFF at 7.38:1 contrast (WCAG AA passes).

Color values

HEX	#2B5B73
RGB	rgb(43, 91, 115)
HSL	hsl(200, 46%, 31%)
HSV	hsv(200, 63%, 45%)
CMYK	cmyk(62.6%, 20.9%, 0%, 54.9%)
CIE-LAB	lab(36.43, -8.42, -18.52)
CIE-LCH	lch(36.43, 20.35, 245.56°)
OKLab	oklab(44.84% -0.0397 -0.0517)
OKLCH	oklch(44.84% 0.065 232.5)
XYZ	xyz(7.8307, 9.2328, 17.5858)
Luminance	0.0923 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B5B73 #73432B

analogous

#2B7367 #2B5B73 #2B3773

triadic

#2B5B73 #732B5B #5B732B

tetradic

#2B5B73 #672B73 #73432B #37732B

square

#2B5B73 #672B73 #73432B #37732B

split-complementary

#2B5B73 #732B37 #73672B

monochromatic

#0A151A #1A3846 #2B5B73 #3C7EA0 #589EC1

Accessibility & contrast

On white

7.38

#2B5B73 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.85

#2B5B73 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2B5B73

7.38:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B5B73	#FFFFFF	#000000	##FFFFFF
##2B5B73	1.00	7.38	2.85	7.38
#FFFFFF	7.38	1.00	21.00	1.00
#000000	2.85	21.00	1.00	21.00
##FFFFFF	7.38	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4F5A74

Deuteranopia (green-blind)

#455273

Tritanopia (blue-blind)

#006163

Achromatopsia (no color)

#565656

Design tokens & code

CSS

--color: #2b5b73;
/* rgb */ color: rgb(43, 91, 115);
/* oklch */ color: oklch(44.8% 0.065 232.5);

Tailwind

colors: {
  custom: {
    50: '#6c899b',
    500: '#2b5b73',
    950: '#000000',
  },
}

SCSS

$custom: #2b5b73;
$custom-light: #6c899b;
$custom-dark: #000000;

JSON

{
  "hex": "#2b5b73",
  "rgb": {
    "r": 43,
    "g": 91,
    "b": 115
  },
  "hsl": {
    "h": 200,
    "s": 45.57,
    "l": 30.98
  },
  "oklch": {
    "l": 0.44839,
    "c": 0.0652,
    "h": 232.5
  },
  "luminance": 0.09234
}

Semantic roles & 50–950 ramp

primary

#2B5B73

secondary

#A57055

accent

#7E53D5

background

#F6F8F9

surface

#ECF0F2

border

#C7CBCC

text

#070B0E

muted

#7A7C7E

Preview Lab

Preview with #2B5B73

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

Preview Lab → · Contrast checker → · Palette generator →