#2575BC#2575BC

#2575BC is a mid, vivid cyan. Relative luminance 0.167; OKLCH L 55.1% C 0.134 H 249.7°. Best body text is #FFFFFF at 4.83:1 contrast (WCAG AA passes).

Color values

HEX	#2575BC
RGB	rgb(37, 117, 188)
HSL	hsl(208, 67%, 44%)
HSV	hsv(208, 80%, 74%)
CMYK	cmyk(80.3%, 37.8%, 0%, 26.3%)
CIE-LAB	lab(47.94, 1.62, -44.01)
CIE-LCH	lch(47.94, 44.04, 272.11°)
OKLab	oklab(55.07% -0.0465 -0.1255)
OKLCH	oklch(55.07% 0.134 249.7)
XYZ	xyz(16.1979, 16.7448, 49.9456)
Luminance	0.1675 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2575BC #BC6C25

analogous

#25BCB8 #2575BC #252ABC

triadic

#2575BC #BC2575 #75BC25

tetradic

#2575BC #B825BC #BC6C25 #2ABC25

square

#2575BC #B825BC #BC6C25 #2ABC25

split-complementary

#2575BC #BC252A #BCB825

monochromatic

#113556 #1B5589 #2575BC #4494DA #77B1E4

Accessibility & contrast

On white

4.83

#2575BC on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.35

#2575BC on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #2575BC

4.83:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2575BC	#FFFFFF	#000000	##FFFFFF
##2575BC	1.00	4.83	4.35	4.83
#FFFFFF	4.83	1.00	21.00	1.00
#000000	4.35	21.00	1.00	21.00
##FFFFFF	4.83	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5379BF

Deuteranopia (green-blind)

#3C6CBB

Tritanopia (blue-blind)

#00868F

Achromatopsia (no color)

#727272

Design tokens & code

CSS

--color: #2575bc;
/* rgb */ color: rgb(37, 117, 188);
/* oklch */ color: oklch(55.1% 0.134 249.7);

Tailwind

colors: {
  custom: {
    50: '#779cd0',
    500: '#2575bc',
    950: '#000000',
  },
}

SCSS

$custom: #2575bc;
$custom-light: #779cd0;
$custom-dark: #000000;

JSON

{
  "hex": "#2575bc",
  "rgb": {
    "r": 37,
    "g": 117,
    "b": 188
  },
  "hsl": {
    "h": 208.212,
    "s": 67.111,
    "l": 44.118
  },
  "oklch": {
    "l": 0.55067,
    "c": 0.13388,
    "h": 249.7
  },
  "luminance": 0.16747
}

Semantic roles & 50–950 ramp

primary

#2575BC

secondary

#CC9C71

accent

#8F3EEA

background

#F7F9FC

surface

#EEF2F9

border

#C9CCD2

text

#0A0E14

muted

#7C7E82

Preview Lab

Preview with #2575BC

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

Preview Lab → · Contrast checker → · Palette generator →