#257AAE#257AAE

#257AAE is a mid, moderate cyan. Relative luminance 0.174; OKLCH L 55.4% C 0.113 H 240.7°. Best body text is #FFFFFF at 4.69:1 contrast (WCAG AA passes).

Color values

HEX	#257AAE
RGB	rgb(37, 122, 174)
HSL	hsl(203, 65%, 41%)
HSV	hsv(203, 79%, 68%)
CMYK	cmyk(78.7%, 29.9%, 0%, 31.8%)
CIE-LAB	lab(48.72, -6.62, -34.67)
CIE-LCH	lch(48.72, 35.30, 259.20°)
OKLab	oklab(55.45% -0.0551 -0.0982)
OKLCH	oklch(55.45% 0.113 240.7)
XYZ	xyz(15.3595, 17.3665, 42.5788)
Luminance	0.1737 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#257AAE #AE5925

analogous

#25AE9E #257AAE #2535AE

triadic

#257AAE #AE257A #7AAE25

tetradic

#257AAE #9E25AE #AE5925 #35AE25

square

#257AAE #9E25AE #AE5925 #35AE25

split-complementary

#257AAE #AE2535 #AE9E25

monochromatic

#103349 #1A577C #257AAE #3B9BD5 #6DB5E0

Accessibility & contrast

On white

4.69

#257AAE on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.47

#257AAE on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #257AAE

4.69:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##257AAE	#FFFFFF	#000000	##FFFFFF
##257AAE	1.00	4.69	4.47	4.69
#FFFFFF	4.69	1.00	21.00	1.00
#000000	4.47	21.00	1.00	21.00
##FFFFFF	4.69	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#627BB0

Deuteranopia (green-blind)

#4F6EAD

Tritanopia (blue-blind)

#00878C

Achromatopsia (no color)

#747474

Design tokens & code

CSS

--color: #257aae;
/* rgb */ color: rgb(37, 122, 174);
/* oklch */ color: oklch(55.4% 0.113 240.7);

Tailwind

colors: {
  custom: {
    50: '#75a0c6',
    500: '#257aae',
    950: '#000000',
  },
}

SCSS

$custom: #257aae;
$custom-light: #75a0c6;
$custom-dark: #000000;

JSON

{
  "hex": "#257aae",
  "rgb": {
    "r": 37,
    "g": 122,
    "b": 174
  },
  "hsl": {
    "h": 202.774,
    "s": 64.929,
    "l": 41.373
  },
  "oklch": {
    "l": 0.55447,
    "c": 0.11258,
    "h": 240.7
  },
  "luminance": 0.17368
}

Semantic roles & 50–950 ramp

primary

#257AAE

secondary

#C68C68

accent

#8040E8

background

#F7F9FC

surface

#EEF2F8

border

#C9CCD1

text

#0A0E13

muted

#7C7E82

Preview Lab

Preview with #257AAE

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

Preview Lab → · Contrast checker → · Palette generator →