#257597#257597

#257597 is a mid, moderate cyan. Relative luminance 0.153; OKLCH L 53.0% C 0.092 H 230.7°. Best body text is #FFFFFF at 5.16:1 contrast (WCAG AA passes).

Color values

HEX	#257597
RGB	rgb(37, 117, 151)
HSL	hsl(198, 61%, 37%)
HSV	hsv(198, 75%, 59%)
CMYK	cmyk(75.5%, 22.5%, 0%, 40.8%)
CIE-LAB	lab(46.11, -12.04, -25.28)
CIE-LCH	lch(46.11, 28.00, 244.54°)
OKLab	oklab(53.02% -0.0582 -0.071)
OKLCH	oklch(53.02% 0.092 230.7)
XYZ	xyz(12.7079, 15.3488, 31.5650)
Luminance	0.1535 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#257597 #974725

analogous

#259780 #257597 #253C97

triadic

#257597 #972575 #759725

tetradic

#257597 #802597 #974725 #3C9725

square

#257597 #802597 #974725 #3C9725

split-complementary

#257597 #97253C #978025

monochromatic

#0D2935 #194F66 #257597 #319BC8 #5FB4D8

Accessibility & contrast

On white

5.16

#257597 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.07

#257597 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #257597

5.16:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##257597	#FFFFFF	#000000	##FFFFFF
##257597	1.00	5.16	4.07	5.16
#FFFFFF	5.16	1.00	21.00	1.00
#000000	4.07	21.00	1.00	21.00
##FFFFFF	5.16	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#647399

Deuteranopia (green-blind)

#546897

Tritanopia (blue-blind)

#007E80

Achromatopsia (no color)

#6D6D6D

Design tokens & code

CSS

--color: #257597;
/* rgb */ color: rgb(37, 117, 151);
/* oklch */ color: oklch(53.0% 0.092 230.7);

Tailwind

colors: {
  custom: {
    50: '#709cb5',
    500: '#257597',
    950: '#000000',
  },
}

SCSS

$custom: #257597;
$custom-light: #709cb5;
$custom-dark: #000000;

JSON

{
  "hex": "#257597",
  "rgb": {
    "r": 37,
    "g": 117,
    "b": 151
  },
  "hsl": {
    "h": 197.895,
    "s": 60.638,
    "l": 36.863
  },
  "oklch": {
    "l": 0.53021,
    "c": 0.09185,
    "h": 230.7
  },
  "luminance": 0.1535
}

Semantic roles & 50–950 ramp

primary

#257597

secondary

#BD785B

accent

#7444E4

background

#F7F9FB

surface

#EDF2F6

border

#C8CCD0

text

#090E11

muted

#7B7E80

Preview Lab

Preview with #257597

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

Preview Lab → · Contrast checker → · Palette generator →