#2D577B#2D577B

#2D577B is a dark, moderate cyan. Relative luminance 0.088; OKLCH L 44.3% C 0.076 H 246.4°. Best body text is #FFFFFF at 7.61:1 contrast (WCAG AA passes).

Color values

HEX	#2D577B
RGB	rgb(45, 87, 123)
HSL	hsl(208, 46%, 33%)
HSV	hsv(208, 63%, 48%)
CMYK	cmyk(63.4%, 29.3%, 0%, 51.8%)
CIE-LAB	lab(35.60, -2.72, -24.74)
CIE-LCH	lch(35.60, 24.88, 263.72°)
OKLab	oklab(44.33% -0.0303 -0.0696)
OKLCH	oklch(44.33% 0.076 246.4)
XYZ	xyz(8.0642, 8.8036, 20.0093)
Luminance	0.0880 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2D577B #7B512D

analogous

#2D7B78 #2D577B #2D307B

triadic

#2D577B #7B2D57 #577B2D

tetradic

#2D577B #782D7B #7B512D #307B2D

square

#2D577B #782D7B #7B512D #307B2D

split-complementary

#2D577B #7B2D30 #7B782D

monochromatic

#0C1821 #1D374E #2D577B #3D77A8 #5E95C4

Accessibility & contrast

On white

7.61

#2D577B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.76

#2D577B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2D577B

7.61:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2D577B	#FFFFFF	#000000	##FFFFFF
##2D577B	1.00	7.61	2.76	7.61
#FFFFFF	7.61	1.00	21.00	1.00
#000000	2.76	21.00	1.00	21.00
##FFFFFF	7.61	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#47587D

Deuteranopia (green-blind)

#3D507A

Tritanopia (blue-blind)

#006064

Achromatopsia (no color)

#545454

Design tokens & code

CSS

--color: #2d577b;
/* rgb */ color: rgb(45, 87, 123);
/* oklch */ color: oklch(44.3% 0.076 246.4);

Tailwind

colors: {
  custom: {
    50: '#6e86a1',
    500: '#2d577b',
    950: '#000000',
  },
}

SCSS

$custom: #2d577b;
$custom-light: #6e86a1;
$custom-dark: #000000;

JSON

{
  "hex": "#2d577b",
  "rgb": {
    "r": 45,
    "g": 87,
    "b": 123
  },
  "hsl": {
    "h": 207.692,
    "s": 46.429,
    "l": 32.941
  },
  "oklch": {
    "l": 0.44331,
    "c": 0.07596,
    "h": 246.4
  },
  "luminance": 0.08804
}

Semantic roles & 50–950 ramp

primary

#2D577B

secondary

#AB7F59

accent

#8F52D6

background

#F6F8F9

surface

#ECEFF2

border

#C7CACC

text

#080B0F

muted

#7B7C7E

Preview Lab

Preview with #2D577B

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

Preview Lab → · Contrast checker → · Palette generator →