#2576B2#2576B2

#2576B2 is a mid, vivid cyan. Relative luminance 0.166; OKLCH L 54.7% C 0.121 H 245.4°. Best body text is #FFFFFF at 4.87:1 contrast (WCAG AA passes).

Color values

HEX	#2576B2
RGB	rgb(37, 118, 178)
HSL	hsl(206, 66%, 42%)
HSV	hsv(206, 79%, 70%)
CMYK	cmyk(79.2%, 33.7%, 0%, 30.2%)
CIE-LAB	lab(47.70, -2.75, -38.59)
CIE-LCH	lch(47.70, 38.69, 265.92°)
OKLab	oklab(54.71% -0.0501 -0.1097)
OKLCH	oklch(54.71% 0.121 245.4)
XYZ	xyz(15.2742, 16.5627, 44.5028)
Luminance	0.1656 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2576B2 #B26125

analogous

#25B2A8 #2576B2 #2530B2

triadic

#2576B2 #B22576 #76B225

tetradic

#2576B2 #A825B2 #B26125 #30B225

square

#2576B2 #A825B2 #B26125 #30B225

split-complementary

#2576B2 #B22530 #B2A825

monochromatic

#10334D #1A547F #2576B2 #3D96D7 #70B1E1

Accessibility & contrast

On white

4.87

#2576B2 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.31

#2576B2 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #2576B2

4.87:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2576B2	#FFFFFF	#000000	##FFFFFF
##2576B2	1.00	4.87	4.31	4.87
#FFFFFF	4.87	1.00	21.00	1.00
#000000	4.31	21.00	1.00	21.00
##FFFFFF	4.87	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5A78B5

Deuteranopia (green-blind)

#466BB1

Tritanopia (blue-blind)

#00858C

Achromatopsia (no color)

#717171

Design tokens & code

CSS

--color: #2576b2;
/* rgb */ color: rgb(37, 118, 178);
/* oklch */ color: oklch(54.7% 0.121 245.4);

Tailwind

colors: {
  custom: {
    50: '#759dc9',
    500: '#2576b2',
    950: '#000000',
  },
}

SCSS

$custom: #2576b2;
$custom-light: #759dc9;
$custom-dark: #000000;

JSON

{
  "hex": "#2576b2",
  "rgb": {
    "r": 37,
    "g": 118,
    "b": 178
  },
  "hsl": {
    "h": 205.532,
    "s": 65.581,
    "l": 42.157
  },
  "oklch": {
    "l": 0.5471,
    "c": 0.12059,
    "h": 245.4
  },
  "luminance": 0.16565
}

Semantic roles & 50–950 ramp

primary

#2576B2

secondary

#C8926B

accent

#873FE9

background

#F7F9FC

surface

#EEF2F8

border

#C9CCD1

text

#0A0E13

muted

#7C7E82

Preview Lab

Preview with #2576B2

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

Preview Lab → · Contrast checker → · Palette generator →