#2F577C#2F577C

#2F577C is a dark, moderate cyan. Relative luminance 0.089; OKLCH L 44.5% C 0.076 H 248.2°. Best body text is #FFFFFF at 7.57:1 contrast (WCAG AA passes).

Color values

HEX	#2F577C
RGB	rgb(47, 87, 124)
HSL	hsl(209, 45%, 34%)
HSV	hsv(209, 62%, 49%)
CMYK	cmyk(62.1%, 29.8%, 0%, 51.4%)
CIE-LAB	lab(35.74, -1.94, -25.13)
CIE-LCH	lch(35.74, 25.20, 265.58°)
OKLab	oklab(44.48% -0.0283 -0.0707)
OKLCH	oklch(44.48% 0.076 248.2)
XYZ	xyz(8.2172, 8.8752, 20.3449)
Luminance	0.0888 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2F577C #7C542F

analogous

#2F7C7A #2F577C #2F307C

triadic

#2F577C #7C2F57 #577C2F

tetradic

#2F577C #7A2F7C #7C542F #307C2F

square

#2F577C #7A2F7C #7C542F #307C2F

split-complementary

#2F577C #7C2F30 #7C7A2F

monochromatic

#0D1923 #1E3850 #2F577C #4076A8 #6295C3

Accessibility & contrast

On white

7.57

#2F577C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.78

#2F577C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2F577C

7.57:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2F577C	#FFFFFF	#000000	##FFFFFF
##2F577C	1.00	7.57	2.78	7.57
#FFFFFF	7.57	1.00	21.00	1.00
#000000	2.78	21.00	1.00	21.00
##FFFFFF	7.57	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#47587E

Deuteranopia (green-blind)

#3D517B

Tritanopia (blue-blind)

#006064

Achromatopsia (no color)

#545454

Design tokens & code

CSS

--color: #2f577c;
/* rgb */ color: rgb(47, 87, 124);
/* oklch */ color: oklch(44.5% 0.076 248.2);

Tailwind

colors: {
  custom: {
    50: '#6f86a2',
    500: '#2f577c',
    950: '#000000',
  },
}

SCSS

$custom: #2f577c;
$custom-light: #6f86a2;
$custom-dark: #000000;

JSON

{
  "hex": "#2f577c",
  "rgb": {
    "r": 47,
    "g": 87,
    "b": 124
  },
  "hsl": {
    "h": 208.831,
    "s": 45.029,
    "l": 33.529
  },
  "oklch": {
    "l": 0.44482,
    "c": 0.0762,
    "h": 248.2
  },
  "luminance": 0.08876
}

Semantic roles & 50–950 ramp

primary

#2F577C

secondary

#AA825C

accent

#9153D5

background

#F6F8FA

surface

#ECEFF3

border

#C7CACD

text

#080B0F

muted

#7B7C7F

Preview Lab

Preview with #2F577C

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

Preview Lab → · Contrast checker → · Palette generator →