#2C577B#2C577B

#2C577B is a dark, moderate cyan. Relative luminance 0.088; OKLCH L 44.3% C 0.076 H 246.0°. Best body text is #FFFFFF at 7.62:1 contrast (WCAG AA passes).

Color values

HEX	#2C577B
RGB	rgb(44, 87, 123)
HSL	hsl(207, 47%, 33%)
HSV	hsv(207, 64%, 48%)
CMYK	cmyk(64.2%, 29.3%, 0%, 51.8%)
CIE-LAB	lab(35.56, -2.93, -24.81)
CIE-LCH	lch(35.56, 24.98, 263.27°)
OKLab	oklab(44.28% -0.0312 -0.0698)
OKLCH	oklch(44.28% 0.076 246)
XYZ	xyz(8.0207, 8.7812, 20.0073)
Luminance	0.0878 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2C577B #7B502C

analogous

#2C7B77 #2C577B #2C2F7B

triadic

#2C577B #7B2C57 #577B2C

tetradic

#2C577B #772C7B #7B502C #2F7B2C

square

#2C577B #772C7B #7B502C #2F7B2C

split-complementary

#2C577B #7B2C2F #7B772C

monochromatic

#0C1721 #1C374E #2C577B #3C77A8 #5D95C5

Accessibility & contrast

On white

7.62

#2C577B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.76

#2C577B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2C577B

7.62:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2C577B	#FFFFFF	#000000	##FFFFFF
##2C577B	1.00	7.62	2.76	7.62
#FFFFFF	7.62	1.00	21.00	1.00
#000000	2.76	21.00	1.00	21.00
##FFFFFF	7.62	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: #2c577b;
/* rgb */ color: rgb(44, 87, 123);
/* oklch */ color: oklch(44.3% 0.076 246.0);

Tailwind

colors: {
  custom: {
    50: '#6d86a1',
    500: '#2c577b',
    950: '#000000',
  },
}

SCSS

$custom: #2c577b;
$custom-light: #6d86a1;
$custom-dark: #000000;

JSON

{
  "hex": "#2c577b",
  "rgb": {
    "r": 44,
    "g": 87,
    "b": 123
  },
  "hsl": {
    "h": 207.342,
    "s": 47.305,
    "l": 32.745
  },
  "oklch": {
    "l": 0.44284,
    "c": 0.07649,
    "h": 246
  },
  "luminance": 0.08782
}

Semantic roles & 50–950 ramp

primary

#2C577B

secondary

#AB7E58

accent

#8E51D7

background

#F6F8F9

surface

#ECEFF2

border

#C7CACC

text

#070B0F

muted

#7A7C7E

Preview Lab

Preview with #2C577B

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

Preview Lab → · Contrast checker → · Palette generator →