#257288#257288

#257288 is a mid, moderate cyan. Relative luminance 0.142; OKLCH L 51.5% C 0.081 H 220.8°. Best body text is #FFFFFF at 5.47:1 contrast (WCAG AA passes).

Color values

HEX	#257288
RGB	rgb(37, 114, 136)
HSL	hsl(193, 57%, 34%)
HSV	hsv(193, 73%, 53%)
CMYK	cmyk(72.8%, 16.2%, 0%, 46.7%)
CIE-LAB	lab(44.52, -15.59, -18.83)
CIE-LCH	lch(44.52, 24.44, 230.38°)
OKLab	oklab(51.54% -0.061 -0.0526)
OKLCH	oklch(51.54% 0.081 220.8)
XYZ	xyz(11.2224, 14.2042, 25.4380)
Luminance	0.1421 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#257288 #883B25

analogous

#25886D #257288 #254188

triadic

#257288 #882572 #728825

tetradic

#257288 #6D2588 #883B25 #418825

square

#257288 #6D2588 #883B25 #418825

split-complementary

#257288 #882541 #886D25

monochromatic

#0B2128 #184A58 #257288 #329AB8 #56B6D1

Accessibility & contrast

On white

5.47

#257288 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.84

#257288 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #257288

5.47:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##257288	#FFFFFF	#000000	##FFFFFF
##257288	1.00	5.47	3.84	5.47
#FFFFFF	5.47	1.00	21.00	1.00
#000000	3.84	21.00	1.00	21.00
##FFFFFF	5.47	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#656F89

Deuteranopia (green-blind)

#576588

Tritanopia (blue-blind)

#007979

Achromatopsia (no color)

#696969

Design tokens & code

CSS

--color: #257288;
/* rgb */ color: rgb(37, 114, 136);
/* oklch */ color: oklch(51.5% 0.081 220.8);

Tailwind

colors: {
  custom: {
    50: '#6e9aaa',
    500: '#257288',
    950: '#000000',
  },
}

SCSS

$custom: #257288;
$custom-light: #6e9aaa;
$custom-dark: #000000;

JSON

{
  "hex": "#257288",
  "rgb": {
    "r": 37,
    "g": 114,
    "b": 136
  },
  "hsl": {
    "h": 193.333,
    "s": 57.225,
    "l": 33.922
  },
  "oklch": {
    "l": 0.51545,
    "c": 0.08053,
    "h": 220.8
  },
  "luminance": 0.14206
}

Semantic roles & 50–950 ramp

primary

#257288

secondary

#B66953

accent

#6947E0

background

#F7F9FA

surface

#EDF2F4

border

#C8CCCE

text

#080E10

muted

#7B7E7F

Preview Lab

Preview with #257288

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

Preview Lab → · Contrast checker → · Palette generator →