#2F577D#2F577D

#2F577D is a dark, moderate cyan. Relative luminance 0.089; OKLCH L 44.5% C 0.078 H 248.8°. Best body text is #FFFFFF at 7.55:1 contrast (WCAG AA passes).

Color values

HEX	#2F577D
RGB	rgb(47, 87, 125)
HSL	hsl(209, 45%, 34%)
HSV	hsv(209, 62%, 49%)
CMYK	cmyk(62.4%, 30.4%, 0%, 51%)
CIE-LAB	lab(35.79, -1.59, -25.67)
CIE-LCH	lch(35.79, 25.71, 266.47°)
OKLab	oklab(44.54% -0.028 -0.0723)
OKLCH	oklch(44.54% 0.078 248.8)
XYZ	xyz(8.2808, 8.9006, 20.6797)
Luminance	0.0890 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2F577D #7D552F

analogous

#2F7D7C #2F577D #2F307D

triadic

#2F577D #7D2F57 #577D2F

tetradic

#2F577D #7C2F7D #7D552F #307D2F

square

#2F577D #7C2F7D #7D552F #307D2F

split-complementary

#2F577D #7D2F30 #7D7C2F

monochromatic

#0E1924 #1E3851 #2F577D #4076A9 #6294C4

Accessibility & contrast

On white

7.55

#2F577D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.78

#2F577D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2F577D

7.55:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2F577D	#FFFFFF	#000000	##FFFFFF
##2F577D	1.00	7.55	2.78	7.55
#FFFFFF	7.55	1.00	21.00	1.00
#000000	2.78	21.00	1.00	21.00
##FFFFFF	7.55	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#47587F

Deuteranopia (green-blind)

#3C517C

Tritanopia (blue-blind)

#006064

Achromatopsia (no color)

#545454

Design tokens & code

CSS

--color: #2f577d;
/* rgb */ color: rgb(47, 87, 125);
/* oklch */ color: oklch(44.5% 0.078 248.8);

Tailwind

colors: {
  custom: {
    50: '#6f86a3',
    500: '#2f577d',
    950: '#000000',
  },
}

SCSS

$custom: #2f577d;
$custom-light: #6f86a3;
$custom-dark: #000000;

JSON

{
  "hex": "#2f577d",
  "rgb": {
    "r": 47,
    "g": 87,
    "b": 125
  },
  "hsl": {
    "h": 209.231,
    "s": 45.349,
    "l": 33.725
  },
  "oklch": {
    "l": 0.44537,
    "c": 0.07754,
    "h": 248.8
  },
  "luminance": 0.08901
}

Semantic roles & 50–950 ramp

primary

#2F577D

secondary

#AB835D

accent

#9253D5

background

#F7F8FA

surface

#EDEFF3

border

#C8CACD

text

#080B0F

muted

#7B7C7F

Preview Lab

Preview with #2F577D

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

Preview Lab → · Contrast checker → · Palette generator →