#2576B1#2576B1

#2576B1 is a mid, moderate cyan. Relative luminance 0.165; OKLCH L 54.7% C 0.119 H 245.0°. Best body text is #FFFFFF at 4.88:1 contrast (WCAG AA passes).

Color values

HEX	#2576B1
RGB	rgb(37, 118, 177)
HSL	hsl(205, 65%, 42%)
HSV	hsv(205, 79%, 69%)
CMYK	cmyk(79.1%, 33.3%, 0%, 30.6%)
CIE-LAB	lab(47.65, -3.12, -38.09)
CIE-LCH	lch(47.65, 38.22, 265.31°)
OKLab	oklab(54.65% -0.0504 -0.1082)
OKLCH	oklch(54.65% 0.119 245)
XYZ	xyz(15.1741, 16.5227, 43.9759)
Luminance	0.1653 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2576B1 #B16025

analogous

#25B1A6 #2576B1 #2530B1

triadic

#2576B1 #B12576 #76B125

tetradic

#2576B1 #A625B1 #B16025 #30B125

square

#2576B1 #A625B1 #B16025 #30B125

split-complementary

#2576B1 #B12530 #B1A625

monochromatic

#10334C #1A547E #2576B1 #3D96D6 #6FB1E1

Accessibility & contrast

On white

4.88

#2576B1 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.31

#2576B1 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #2576B1

4.88:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2576B1	#FFFFFF	#000000	##FFFFFF
##2576B1	1.00	4.88	4.31	4.88
#FFFFFF	4.88	1.00	21.00	1.00
#000000	4.31	21.00	1.00	21.00
##FFFFFF	4.88	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5B78B4

Deuteranopia (green-blind)

#476BB0

Tritanopia (blue-blind)

#00848B

Achromatopsia (no color)

#717171

Design tokens & code

CSS

--color: #2576b1;
/* rgb */ color: rgb(37, 118, 177);
/* oklch */ color: oklch(54.7% 0.119 245.0);

Tailwind

colors: {
  custom: {
    50: '#759dc8',
    500: '#2576b1',
    950: '#000000',
  },
}

SCSS

$custom: #2576b1;
$custom-light: #759dc8;
$custom-dark: #000000;

JSON

{
  "hex": "#2576b1",
  "rgb": {
    "r": 37,
    "g": 118,
    "b": 177
  },
  "hsl": {
    "h": 205.286,
    "s": 65.421,
    "l": 41.961
  },
  "oklch": {
    "l": 0.54653,
    "c": 0.11938,
    "h": 245
  },
  "luminance": 0.16525
}

Semantic roles & 50–950 ramp

primary

#2576B1

secondary

#C8926A

accent

#873FE8

background

#F7F9FC

surface

#EEF2F8

border

#C9CCD1

text

#0A0E13

muted

#7C7E82

Preview Lab

Preview with #2576B1

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

Preview Lab → · Contrast checker → · Palette generator →