#257AA0#257AA0

#257AA0 is a mid, moderate cyan. Relative luminance 0.169; OKLCH L 54.7% C 0.098 H 232.3°. Best body text is #FFFFFF at 4.81:1 contrast (WCAG AA passes).

Color values

HEX	#257AA0
RGB	rgb(37, 122, 160)
HSL	hsl(199, 62%, 39%)
HSV	hsv(199, 77%, 63%)
CMYK	cmyk(76.9%, 23.7%, 0%, 37.3%)
CIE-LAB	lab(48.07, -11.69, -27.53)
CIE-LCH	lch(48.07, 29.91, 246.99°)
OKLab	oklab(54.72% -0.0599 -0.0775)
OKLCH	oklch(54.72% 0.098 232.3)
XYZ	xyz(14.0651, 16.8488, 35.7617)
Luminance	0.1685 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#257AA0 #A04B25

analogous

#25A088 #257AA0 #253CA0

triadic

#257AA0 #A0257A #7AA025

tetradic

#257AA0 #8825A0 #A04B25 #3CA025

square

#257AA0 #8825A0 #A04B25 #3CA025

split-complementary

#257AA0 #A0253C #A08825

monochromatic

#0E2E3D #1A546E #257AA0 #329FD0 #64B6DB

Accessibility & contrast

On white

4.81

#257AA0 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.37

#257AA0 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #257AA0

4.81:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##257AA0	#FFFFFF	#000000	##FFFFFF
##257AA0	1.00	4.81	4.37	4.81
#FFFFFF	4.81	1.00	21.00	1.00
#000000	4.37	21.00	1.00	21.00
##FFFFFF	4.81	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#6779A2

Deuteranopia (green-blind)

#566D9F

Tritanopia (blue-blind)

#008487

Achromatopsia (no color)

#727272

Design tokens & code

CSS

--color: #257aa0;
/* rgb */ color: rgb(37, 122, 160);
/* oklch */ color: oklch(54.7% 0.098 232.3);

Tailwind

colors: {
  custom: {
    50: '#72a0bc',
    500: '#257aa0',
    950: '#000000',
  },
}

SCSS

$custom: #257aa0;
$custom-light: #72a0bc;
$custom-dark: #000000;

JSON

{
  "hex": "#257aa0",
  "rgb": {
    "r": 37,
    "g": 122,
    "b": 160
  },
  "hsl": {
    "h": 198.537,
    "s": 62.437,
    "l": 38.627
  },
  "oklch": {
    "l": 0.54717,
    "c": 0.09795,
    "h": 232.3
  },
  "luminance": 0.1685
}

Semantic roles & 50–950 ramp

primary

#257AA0

secondary

#C17E60

accent

#7542E6

background

#F7F9FB

surface

#EDF2F6

border

#C8CCD0

text

#090E12

muted

#7B7E81

Preview Lab

Preview with #257AA0

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

Preview Lab → · Contrast checker → · Palette generator →