#257CAE#257CAE

#257CAE is a mid, moderate cyan. Relative luminance 0.179; OKLCH L 55.9% C 0.111 H 239.1°. Best body text is #FFFFFF at 4.59:1 contrast (WCAG AA passes).

Color values

HEX	#257CAE
RGB	rgb(37, 124, 174)
HSL	hsl(202, 65%, 41%)
HSV	hsv(202, 79%, 68%)
CMYK	cmyk(78.7%, 28.7%, 0%, 31.8%)
CIE-LAB	lab(49.33, -7.79, -33.71)
CIE-LCH	lch(49.33, 34.60, 256.99°)
OKLab	oklab(55.93% -0.057 -0.0954)
OKLCH	oklch(55.93% 0.111 239.1)
XYZ	xyz(15.6076, 17.8627, 42.6615)
Luminance	0.1787 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#257CAE #AE5725

analogous

#25AE9C #257CAE #2538AE

triadic

#257CAE #AE257C #7CAE25

tetradic

#257CAE #9C25AE #AE5725 #38AE25

square

#257CAE #9C25AE #AE5725 #38AE25

split-complementary

#257CAE #AE2538 #AE9C25

monochromatic

#103449 #1A587C #257CAE #3B9DD5 #6DB6E0

Accessibility & contrast

On white

4.59

#257CAE on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.57

#257CAE on #000000

AA ✓AA large ✓AAA ✗

Best text color

#FFFFFF on #257CAE

4.59:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##257CAE	#FFFFFF	#000000	##FFFFFF
##257CAE	1.00	4.59	4.57	4.59
#FFFFFF	4.59	1.00	21.00	1.00
#000000	4.57	21.00	1.00	21.00
##FFFFFF	4.59	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#647CB0

Deuteranopia (green-blind)

#5270AD

Tritanopia (blue-blind)

#00898D

Achromatopsia (no color)

#757575

Design tokens & code

CSS

--color: #257cae;
/* rgb */ color: rgb(37, 124, 174);
/* oklch */ color: oklch(55.9% 0.111 239.1);

Tailwind

colors: {
  custom: {
    50: '#75a1c6',
    500: '#257cae',
    950: '#000000',
  },
}

SCSS

$custom: #257cae;
$custom-light: #75a1c6;
$custom-dark: #000000;

JSON

{
  "hex": "#257cae",
  "rgb": {
    "r": 37,
    "g": 124,
    "b": 174
  },
  "hsl": {
    "h": 201.898,
    "s": 64.929,
    "l": 41.373
  },
  "oklch": {
    "l": 0.55931,
    "c": 0.1111,
    "h": 239.1
  },
  "luminance": 0.17865
}

Semantic roles & 50–950 ramp

primary

#257CAE

secondary

#C68B68

accent

#7D40E8

background

#F7F9FC

surface

#EEF2F8

border

#C9CCD1

text

#0A0F13

muted

#7C7E82

Preview Lab

Preview with #257CAE

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

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