#257688#257688

#257688 is a mid, moderate cyan. Relative luminance 0.151; OKLCH L 52.6% C 0.080 H 215.8°. Best body text is #FFFFFF at 5.22:1 contrast (WCAG AA passes).

Color values

HEX	#257688
RGB	rgb(37, 118, 136)
HSL	hsl(191, 57%, 34%)
HSV	hsv(191, 73%, 53%)
CMYK	cmyk(72.8%, 13.2%, 0%, 46.7%)
CIE-LAB	lab(45.81, -17.80, -16.86)
CIE-LCH	lch(45.81, 24.52, 223.45°)
OKLab	oklab(52.58% -0.0653 -0.047)
OKLCH	oklch(52.58% 0.08 215.8)
XYZ	xyz(11.6834, 15.1264, 25.5917)
Luminance	0.1513 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#257688 #883725

analogous

#258869 #257688 #254588

triadic

#257688 #882576 #768825

tetradic

#257688 #692588 #883725 #458825

square

#257688 #692588 #883725 #458825

split-complementary

#257688 #882545 #886925

monochromatic

#0B2328 #184C58 #257688 #32A0B8 #56BBD1

Accessibility & contrast

On white

5.22

#257688 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.03

#257688 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #257688

5.22:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##257688	#FFFFFF	#000000	##FFFFFF
##257688	1.00	5.22	4.03	5.22
#FFFFFF	5.22	1.00	21.00	1.00
#000000	4.03	21.00	1.00	21.00
##FFFFFF	5.22	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#6A7289

Deuteranopia (green-blind)

#5C6888

Tritanopia (blue-blind)

#007D7C

Achromatopsia (no color)

#6C6C6C

Design tokens & code

CSS

--color: #257688;
/* rgb */ color: rgb(37, 118, 136);
/* oklch */ color: oklch(52.6% 0.080 215.8);

Tailwind

colors: {
  custom: {
    50: '#6e9daa',
    500: '#257688',
    950: '#000000',
  },
}

SCSS

$custom: #257688;
$custom-light: #6e9daa;
$custom-dark: #000000;

JSON

{
  "hex": "#257688",
  "rgb": {
    "r": 37,
    "g": 118,
    "b": 136
  },
  "hsl": {
    "h": 190.909,
    "s": 57.225,
    "l": 33.922
  },
  "oklch": {
    "l": 0.52575,
    "c": 0.08044,
    "h": 215.8
  },
  "luminance": 0.15128
}

Semantic roles & 50–950 ramp

primary

#257688

secondary

#B66553

accent

#6347E0

background

#F7F9FA

surface

#EDF2F4

border

#C8CCCE

text

#080E10

muted

#7B7E7F

Preview Lab

Preview with #257688

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

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