#257B97#257B97

#257B97 is a mid, moderate cyan. Relative luminance 0.168; OKLCH L 54.5% C 0.090 H 224.2°. Best body text is #FFFFFF at 4.82:1 contrast (WCAG AA passes).

Color values

HEX	#257B97
RGB	rgb(37, 123, 151)
HSL	hsl(195, 61%, 37%)
HSV	hsv(195, 75%, 59%)
CMYK	cmyk(75.5%, 18.5%, 0%, 40.8%)
CIE-LAB	lab(48.00, -15.43, -22.36)
CIE-LCH	lch(48.00, 27.17, 235.40°)
OKLab	oklab(54.53% -0.0644 -0.0626)
OKLCH	oklch(54.53% 0.09 224.2)
XYZ	xyz(13.4295, 16.7920, 31.8056)
Luminance	0.1679 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#257B97 #974125

analogous

#25977A #257B97 #254297

triadic

#257B97 #97257B #7B9725

tetradic

#257B97 #7A2597 #974125 #429725

square

#257B97 #7A2597 #974125 #429725

split-complementary

#257B97 #972542 #977A25

monochromatic

#0D2B35 #195366 #257B97 #31A3C8 #5FBAD8

Accessibility & contrast

On white

4.82

#257B97 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.36

#257B97 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #257B97

4.82:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##257B97	#FFFFFF	#000000	##FFFFFF
##257B97	1.00	4.82	4.36	4.82
#FFFFFF	4.82	1.00	21.00	1.00
#000000	4.36	21.00	1.00	21.00
##FFFFFF	4.82	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#6B7898

Deuteranopia (green-blind)

#5C6D97

Tritanopia (blue-blind)

#008384

Achromatopsia (no color)

#727272

Design tokens & code

CSS

--color: #257b97;
/* rgb */ color: rgb(37, 123, 151);
/* oklch */ color: oklch(54.5% 0.090 224.2);

Tailwind

colors: {
  custom: {
    50: '#71a1b5',
    500: '#257b97',
    950: '#000000',
  },
}

SCSS

$custom: #257b97;
$custom-light: #71a1b5;
$custom-dark: #000000;

JSON

{
  "hex": "#257b97",
  "rgb": {
    "r": 37,
    "g": 123,
    "b": 151
  },
  "hsl": {
    "h": 194.737,
    "s": 60.638,
    "l": 36.863
  },
  "oklch": {
    "l": 0.54532,
    "c": 0.0898,
    "h": 224.2
  },
  "luminance": 0.16794
}

Semantic roles & 50–950 ramp

primary

#257B97

secondary

#BD735B

accent

#6B44E4

background

#F7F9FB

surface

#EDF2F6

border

#C8CCD0

text

#090F11

muted

#7B7E80

Preview Lab

Preview with #257B97

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

Preview Lab → · Contrast checker → · Palette generator →