#2F537B#2F537B

#2F537B is a dark, moderate cyan. Relative luminance 0.082; OKLCH L 43.4% C 0.079 H 252.3°. Best body text is #FFFFFF at 7.94:1 contrast (WCAG AA passes).

Color values

HEX	#2F537B
RGB	rgb(47, 83, 123)
HSL	hsl(212, 45%, 33%)
HSV	hsv(212, 62%, 48%)
CMYK	cmyk(61.8%, 32.5%, 0%, 51.8%)
CIE-LAB	lab(34.44, 0.24, -26.55)
CIE-LCH	lch(34.44, 26.56, 270.53°)
OKLab	oklab(43.44% -0.0239 -0.0749)
OKLCH	oklch(43.44% 0.079 252.3)
XYZ	xyz(7.8394, 8.2202, 19.9086)
Luminance	0.0822 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2F537B #7B572F

analogous

#2F797B #2F537B #312F7B

triadic

#2F537B #7B2F53 #537B2F

tetradic

#2F537B #7B2F79 #7B572F #2F7B31

square

#2F537B #7B2F79 #7B572F #2F7B31

split-complementary

#2F537B #7B312F #797B2F

monochromatic

#0D1722 #1E354F #2F537B #4071A7 #6290C3

Accessibility & contrast

On white

7.94

#2F537B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.64

#2F537B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2F537B

7.94:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2F537B	#FFFFFF	#000000	##FFFFFF
##2F537B	1.00	7.94	2.64	7.94
#FFFFFF	7.94	1.00	21.00	1.00
#000000	2.64	21.00	1.00	21.00
##FFFFFF	7.94	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#42557D

Deuteranopia (green-blind)

#384E7A

Tritanopia (blue-blind)

#005C61

Achromatopsia (no color)

#515151

Design tokens & code

CSS

--color: #2f537b;
/* rgb */ color: rgb(47, 83, 123);
/* oklch */ color: oklch(43.4% 0.079 252.3);

Tailwind

colors: {
  custom: {
    50: '#6f83a1',
    500: '#2f537b',
    950: '#000000',
  },
}

SCSS

$custom: #2f537b;
$custom-light: #6f83a1;
$custom-dark: #000000;

JSON

{
  "hex": "#2f537b",
  "rgb": {
    "r": 47,
    "g": 83,
    "b": 123
  },
  "hsl": {
    "h": 211.579,
    "s": 44.706,
    "l": 33.333
  },
  "oklch": {
    "l": 0.4344,
    "c": 0.07862,
    "h": 252.3
  },
  "luminance": 0.08221
}

Semantic roles & 50–950 ramp

primary

#2F537B

secondary

#AA855C

accent

#9753D4

background

#F6F7F9

surface

#ECEEF2

border

#C7C9CC

text

#080A0F

muted

#7B7C7E

Preview Lab

Preview with #2F537B

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

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