#2D537B#2D537B

#2D537B is a dark, moderate cyan. Relative luminance 0.082; OKLCH L 43.3% C 0.080 H 251.2°. Best body text is #FFFFFF at 7.97:1 contrast (WCAG AA passes).

Color values

HEX	#2D537B
RGB	rgb(45, 83, 123)
HSL	hsl(211, 46%, 33%)
HSV	hsv(211, 63%, 48%)
CMYK	cmyk(63.4%, 32.5%, 0%, 51.8%)
CIE-LAB	lab(34.34, -0.18, -26.71)
CIE-LCH	lch(34.34, 26.71, 269.61°)
OKLab	oklab(43.34% -0.0256 -0.0754)
OKLCH	oklch(43.34% 0.08 251.2)
XYZ	xyz(7.7493, 8.1737, 19.9044)
Luminance	0.0817 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2D537B #7B552D

analogous

#2D7A7B #2D537B #2E2D7B

triadic

#2D537B #7B2D53 #537B2D

tetradic

#2D537B #7B2D7A #7B552D #2D7B2E

square

#2D537B #7B2D7A #7B552D #2D7B2E

split-complementary

#2D537B #7B2E2D #7A7B2D

monochromatic

#0C1721 #1D354E #2D537B #3D71A8 #5E90C4

Accessibility & contrast

On white

7.97

#2D537B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.63

#2D537B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2D537B

7.97:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2D537B	#FFFFFF	#000000	##FFFFFF
##2D537B	1.00	7.97	2.63	7.97
#FFFFFF	7.97	1.00	21.00	1.00
#000000	2.63	21.00	1.00	21.00
##FFFFFF	7.97	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#42557D

Deuteranopia (green-blind)

#384D7A

Tritanopia (blue-blind)

#005C61

Achromatopsia (no color)

#515151

Design tokens & code

CSS

--color: #2d537b;
/* rgb */ color: rgb(45, 83, 123);
/* oklch */ color: oklch(43.3% 0.080 251.2);

Tailwind

colors: {
  custom: {
    50: '#6e83a1',
    500: '#2d537b',
    950: '#000000',
  },
}

SCSS

$custom: #2d537b;
$custom-light: #6e83a1;
$custom-dark: #000000;

JSON

{
  "hex": "#2d537b",
  "rgb": {
    "r": 45,
    "g": 83,
    "b": 123
  },
  "hsl": {
    "h": 210.769,
    "s": 46.429,
    "l": 32.941
  },
  "oklch": {
    "l": 0.43339,
    "c": 0.07963,
    "h": 251.2
  },
  "luminance": 0.08174
}

Semantic roles & 50–950 ramp

primary

#2D537B

secondary

#AB8359

accent

#9652D6

background

#F6F7F9

surface

#ECEEF2

border

#C7C9CC

text

#080A0F

muted

#7B7C7E

Preview Lab

Preview with #2D537B

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

Preview Lab → · Contrast checker → · Palette generator →