#2F577B#2F577B

#2F577B is a dark, moderate cyan. Relative luminance 0.089; OKLCH L 44.4% C 0.075 H 247.5°. Best body text is #FFFFFF at 7.58:1 contrast (WCAG AA passes).

Color values

HEX	#2F577B
RGB	rgb(47, 87, 123)
HSL	hsl(208, 45%, 33%)
HSV	hsv(208, 62%, 48%)
CMYK	cmyk(61.8%, 29.3%, 0%, 51.8%)
CIE-LAB	lab(35.69, -2.30, -24.59)
CIE-LCH	lch(35.69, 24.69, 264.67°)
OKLab	oklab(44.43% -0.0287 -0.0692)
OKLCH	oklch(44.43% 0.075 247.5)
XYZ	xyz(8.1543, 8.8500, 20.0136)
Luminance	0.0885 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2F577B #7B532F

analogous

#2F7B79 #2F577B #2F317B

triadic

#2F577B #7B2F57 #577B2F

tetradic

#2F577B #792F7B #7B532F #317B2F

square

#2F577B #792F7B #7B532F #317B2F

split-complementary

#2F577B #7B2F31 #7B792F

monochromatic

#0D1822 #1E384F #2F577B #4076A7 #6295C3

Accessibility & contrast

On white

7.58

#2F577B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.77

#2F577B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2F577B

7.58:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2F577B	#FFFFFF	#000000	##FFFFFF
##2F577B	1.00	7.58	2.77	7.58
#FFFFFF	7.58	1.00	21.00	1.00
#000000	2.77	21.00	1.00	21.00
##FFFFFF	7.58	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#48587D

Deuteranopia (green-blind)

#3D517A

Tritanopia (blue-blind)

#006064

Achromatopsia (no color)

#545454

Design tokens & code

CSS

--color: #2f577b;
/* rgb */ color: rgb(47, 87, 123);
/* oklch */ color: oklch(44.4% 0.075 247.5);

Tailwind

colors: {
  custom: {
    50: '#6f86a1',
    500: '#2f577b',
    950: '#000000',
  },
}

SCSS

$custom: #2f577b;
$custom-light: #6f86a1;
$custom-dark: #000000;

JSON

{
  "hex": "#2f577b",
  "rgb": {
    "r": 47,
    "g": 87,
    "b": 123
  },
  "hsl": {
    "h": 208.421,
    "s": 44.706,
    "l": 33.333
  },
  "oklch": {
    "l": 0.44427,
    "c": 0.07488,
    "h": 247.5
  },
  "luminance": 0.08851
}

Semantic roles & 50–950 ramp

primary

#2F577B

secondary

#AA815C

accent

#9153D4

background

#F6F8F9

surface

#ECEFF2

border

#C7CACC

text

#080B0F

muted

#7B7C7E

Preview Lab

Preview with #2F577B

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

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