#257F91#257F91

#257F91 is a mid, moderate cyan. Relative luminance 0.176; OKLCH L 55.3% C 0.086 H 214.1°. Best body text is #FFFFFF at 4.64:1 contrast (WCAG AA passes).

Color values

HEX	#257F91
RGB	rgb(37, 127, 145)
HSL	hsl(190, 59%, 36%)
HSV	hsv(190, 74%, 57%)
CMYK	cmyk(74.5%, 12.4%, 0%, 43.1%)
CIE-LAB	lab(49.03, -19.66, -17.26)
CIE-LCH	lch(49.03, 26.16, 221.29°)
OKLab	oklab(55.28% -0.071 -0.0481)
OKLCH	oklch(55.28% 0.086 214.1)
XYZ	xyz(13.4610, 17.6148, 29.4731)
Luminance	0.1762 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#257F91 #913725

analogous

#25916D #257F91 #254991

triadic

#257F91 #91257F #7F9125

tetradic

#257F91 #6D2591 #913725 #499125

square

#257F91 #6D2591 #913725 #499125

split-complementary

#257F91 #912549 #916D25

monochromatic

#0C2A2F #195460 #257F91 #31AAC2 #5BC1D5

Accessibility & contrast

On white

4.64

#257F91 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.52

#257F91 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#FFFFFF on #257F91

4.64:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##257F91	#FFFFFF	#000000	##FFFFFF
##257F91	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)

#727B92

Deuteranopia (green-blind)

#637091

Tritanopia (blue-blind)

#008685

Achromatopsia (no color)

#747474

Design tokens & code

CSS

--color: #257f91;
/* rgb */ color: rgb(37, 127, 145);
/* oklch */ color: oklch(55.3% 0.086 214.1);

Tailwind

colors: {
  custom: {
    50: '#70a4b1',
    500: '#257f91',
    950: '#000000',
  },
}

SCSS

$custom: #257f91;
$custom-light: #70a4b1;
$custom-dark: #000000;

JSON

{
  "hex": "#257f91",
  "rgb": {
    "r": 37,
    "g": 127,
    "b": 145
  },
  "hsl": {
    "h": 190,
    "s": 59.341,
    "l": 35.686
  },
  "oklch": {
    "l": 0.55279,
    "c": 0.08575,
    "h": 214.1
  },
  "luminance": 0.17616
}

Semantic roles & 50–950 ramp

primary

#257F91

secondary

#BA6858

accent

#5F45E3

background

#F7FAFA

surface

#EDF4F5

border

#C8CECF

text

#090F10

muted

#7B7F7F

Preview Lab

Preview with #257F91

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

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