#2577AE#2577AE

#2577AE is a mid, moderate cyan. Relative luminance 0.166; OKLCH L 54.7% C 0.115 H 243.0°. Best body text is #FFFFFF at 4.85:1 contrast (WCAG AA passes).

Color values

HEX	#2577AE
RGB	rgb(37, 119, 174)
HSL	hsl(204, 65%, 41%)
HSV	hsv(204, 79%, 68%)
CMYK	cmyk(78.7%, 31.6%, 0%, 31.8%)
CIE-LAB	lab(47.80, -4.84, -36.11)
CIE-LCH	lch(47.80, 36.43, 262.37°)
OKLab	oklab(54.72% -0.0523 -0.1024)
OKLCH	oklch(54.72% 0.115 243)
XYZ	xyz(14.9968, 16.6412, 42.4579)
Luminance	0.1664 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2577AE #AE5C25

analogous

#25AEA1 #2577AE #2532AE

triadic

#2577AE #AE2577 #77AE25

tetradic

#2577AE #A125AE #AE5C25 #32AE25

square

#2577AE #A125AE #AE5C25 #32AE25

split-complementary

#2577AE #AE2532 #AEA125

monochromatic

#103249 #1A547C #2577AE #3B97D5 #6DB2E0

Accessibility & contrast

On white

4.85

#2577AE on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.33

#2577AE on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #2577AE

4.85:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2577AE	#FFFFFF	#000000	##FFFFFF
##2577AE	1.00	4.85	4.33	4.85
#FFFFFF	4.85	1.00	21.00	1.00
#000000	4.33	21.00	1.00	21.00
##FFFFFF	4.85	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5D78B0

Deuteranopia (green-blind)

#4A6CAD

Tritanopia (blue-blind)

#00858B

Achromatopsia (no color)

#717171

Design tokens & code

CSS

--color: #2577ae;
/* rgb */ color: rgb(37, 119, 174);
/* oklch */ color: oklch(54.7% 0.115 243.0);

Tailwind

colors: {
  custom: {
    50: '#759ec6',
    500: '#2577ae',
    950: '#000000',
  },
}

SCSS

$custom: #2577ae;
$custom-light: #759ec6;
$custom-dark: #000000;

JSON

{
  "hex": "#2577ae",
  "rgb": {
    "r": 37,
    "g": 119,
    "b": 174
  },
  "hsl": {
    "h": 204.088,
    "s": 64.929,
    "l": 41.373
  },
  "oklch": {
    "l": 0.54723,
    "c": 0.11498,
    "h": 243
  },
  "luminance": 0.16643
}

Semantic roles & 50–950 ramp

primary

#2577AE

secondary

#C68E68

accent

#8340E8

background

#F7F9FC

surface

#EEF2F8

border

#C9CCD1

text

#0A0E13

muted

#7C7E82

Preview Lab

Preview with #2577AE

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

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