#257FAE#257FAE

#257FAE is a mid, moderate cyan. Relative luminance 0.186; OKLCH L 56.7% C 0.109 H 236.7°. Best body text is #000000 at 4.73:1 contrast (WCAG AA passes).

Color values

HEX	#257FAE
RGB	rgb(37, 127, 174)
HSL	hsl(201, 65%, 41%)
HSV	hsv(201, 79%, 68%)
CMYK	cmyk(78.7%, 27%, 0%, 31.8%)
CIE-LAB	lab(50.25, -9.53, -32.28)
CIE-LCH	lch(50.25, 33.65, 253.55°)
OKLab	oklab(56.66% -0.0598 -0.0912)
OKLCH	oklch(56.66% 0.109 236.7)
XYZ	xyz(15.9893, 18.6261, 42.7887)
Luminance	0.1863 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#257FAE #AE5425

analogous

#25AE99 #257FAE #253BAE

triadic

#257FAE #AE257F #7FAE25

tetradic

#257FAE #9925AE #AE5425 #3BAE25

square

#257FAE #9925AE #AE5425 #3BAE25

split-complementary

#257FAE #AE253B #AE9925

monochromatic

#103549 #1A5A7C #257FAE #3BA0D5 #6DB9E0

Accessibility & contrast

On white

4.44

#257FAE on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.73

#257FAE on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #257FAE

4.73:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##257FAE	#FFFFFF	#000000	##000000
##257FAE	1.00	4.44	4.73	4.73
#FFFFFF	4.44	1.00	21.00	21.00
#000000	4.73	21.00	1.00	1.00
##000000	4.73	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#687FB0

Deuteranopia (green-blind)

#5672AD

Tritanopia (blue-blind)

#008B8F

Achromatopsia (no color)

#787878

Design tokens & code

CSS

--color: #257fae;
/* rgb */ color: rgb(37, 127, 174);
/* oklch */ color: oklch(56.7% 0.109 236.7);

Tailwind

colors: {
  custom: {
    50: '#75a4c6',
    500: '#257fae',
    950: '#000000',
  },
}

SCSS

$custom: #257fae;
$custom-light: #75a4c6;
$custom-dark: #000000;

JSON

{
  "hex": "#257fae",
  "rgb": {
    "r": 37,
    "g": 127,
    "b": 174
  },
  "hsl": {
    "h": 200.584,
    "s": 64.929,
    "l": 41.373
  },
  "oklch": {
    "l": 0.5666,
    "c": 0.10905,
    "h": 236.7
  },
  "luminance": 0.18628
}

Semantic roles & 50–950 ramp

primary

#257FAE

secondary

#C68968

accent

#7A40E8

background

#F7FAFC

surface

#EEF3F8

border

#C9CDD1

text

#0A0F13

muted

#7C7F82

Preview Lab

Preview with #257FAE

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

Preview Lab → · Contrast checker → · Palette generator →