#257BAE#257BAE

#257BAE is a mid, moderate cyan. Relative luminance 0.176; OKLCH L 55.7% C 0.112 H 239.9°. Best body text is #FFFFFF at 4.64:1 contrast (WCAG AA passes).

Color values

HEX	#257BAE
RGB	rgb(37, 123, 174)
HSL	hsl(202, 65%, 41%)
HSV	hsv(202, 79%, 68%)
CMYK	cmyk(78.7%, 29.3%, 0%, 31.8%)
CIE-LAB	lab(49.02, -7.20, -34.19)
CIE-LCH	lch(49.02, 34.94, 258.10°)
OKLab	oklab(55.69% -0.056 -0.0968)
OKLCH	oklch(55.69% 0.112 239.9)
XYZ	xyz(15.4829, 17.6134, 42.6199)
Luminance	0.1762 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#257BAE #AE5825

analogous

#25AE9D #257BAE #2536AE

triadic

#257BAE #AE257B #7BAE25

tetradic

#257BAE #9D25AE #AE5825 #36AE25

square

#257BAE #9D25AE #AE5825 #36AE25

split-complementary

#257BAE #AE2536 #AE9D25

monochromatic

#103449 #1A577C #257BAE #3B9CD5 #6DB5E0

Accessibility & contrast

On white

4.64

#257BAE on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.52

#257BAE on #000000

AA ✓AA large ✓AAA ✗

Best text color

#FFFFFF on #257BAE

4.64:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##257BAE	#FFFFFF	#000000	##FFFFFF
##257BAE	1.00	4.64	4.52	4.64
#FFFFFF	4.64	1.00	21.00	1.00
#000000	4.52	21.00	1.00	21.00
##FFFFFF	4.64	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#637CB0

Deuteranopia (green-blind)

#506FAD

Tritanopia (blue-blind)

#00888D

Achromatopsia (no color)

#747474

Design tokens & code

CSS

--color: #257bae;
/* rgb */ color: rgb(37, 123, 174);
/* oklch */ color: oklch(55.7% 0.112 239.9);

Tailwind

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

SCSS

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

JSON

{
  "hex": "#257bae",
  "rgb": {
    "r": 37,
    "g": 123,
    "b": 174
  },
  "hsl": {
    "h": 202.336,
    "s": 64.929,
    "l": 41.373
  },
  "oklch": {
    "l": 0.55689,
    "c": 0.11183,
    "h": 239.9
  },
  "luminance": 0.17615
}

Semantic roles & 50–950 ramp

primary

#257BAE

secondary

#C68B68

accent

#7E40E8

background

#F7F9FC

surface

#EEF2F8

border

#C9CCD1

text

#0A0E13

muted

#7C7E82

Preview Lab

Preview with #257BAE

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

Preview Lab → · Contrast checker → · Palette generator →