#257D97#257D97

#257D97 is a mid, moderate cyan. Relative luminance 0.173; OKLCH L 55.0% C 0.089 H 222.0°. Best body text is #FFFFFF at 4.71:1 contrast (WCAG AA passes).

Color values

HEX	#257D97
RGB	rgb(37, 125, 151)
HSL	hsl(194, 61%, 37%)
HSV	hsv(194, 75%, 59%)
CMYK	cmyk(75.5%, 17.2%, 0%, 40.8%)
CIE-LAB	lab(48.63, -16.53, -21.39)
CIE-LCH	lch(48.63, 27.04, 232.30°)
OKLab	oklab(55.04% -0.0664 -0.0598)
OKLCH	oklch(55.04% 0.089 222)
XYZ	xyz(13.6802, 17.2933, 31.8891)
Luminance	0.1729 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#257D97 #973F25

analogous

#259778 #257D97 #254497

triadic

#257D97 #97257D #7D9725

tetradic

#257D97 #782597 #973F25 #449725

square

#257D97 #782597 #973F25 #449725

split-complementary

#257D97 #972544 #977825

monochromatic

#0D2C35 #195466 #257D97 #31A6C8 #5FBCD8

Accessibility & contrast

On white

4.71

#257D97 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.46

#257D97 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #257D97

4.71:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##257D97	#FFFFFF	#000000	##FFFFFF
##257D97	1.00	4.71	4.46	4.71
#FFFFFF	4.71	1.00	21.00	1.00
#000000	4.46	21.00	1.00	21.00
##FFFFFF	4.71	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#6E7A98

Deuteranopia (green-blind)

#5E6F97

Tritanopia (blue-blind)

#008585

Achromatopsia (no color)

#737373

Design tokens & code

CSS

--color: #257d97;
/* rgb */ color: rgb(37, 125, 151);
/* oklch */ color: oklch(55.0% 0.089 222.0);

Tailwind

colors: {
  custom: {
    50: '#71a2b5',
    500: '#257d97',
    950: '#000000',
  },
}

SCSS

$custom: #257d97;
$custom-light: #71a2b5;
$custom-dark: #000000;

JSON

{
  "hex": "#257d97",
  "rgb": {
    "r": 37,
    "g": 125,
    "b": 151
  },
  "hsl": {
    "h": 193.684,
    "s": 60.638,
    "l": 36.863
  },
  "oklch": {
    "l": 0.55037,
    "c": 0.08941,
    "h": 222
  },
  "luminance": 0.17295
}

Semantic roles & 50–950 ramp

primary

#257D97

secondary

#BD715B

accent

#6844E4

background

#F7FAFB

surface

#EDF3F6

border

#C8CDD0

text

#090F11

muted

#7B7F80

Preview Lab

Preview with #257D97

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

Preview Lab → · Contrast checker → · Palette generator →