#255A90#255A90

#255A90 is a mid, moderate cyan. Relative luminance 0.097; OKLCH L 46.0% C 0.105 H 251.5°. Best body text is #FFFFFF at 7.13:1 contrast (WCAG AA passes).

Color values

HEX	#255A90
RGB	rgb(37, 90, 144)
HSL	hsl(210, 59%, 35%)
HSV	hsv(210, 74%, 56%)
CMYK	cmyk(74.3%, 37.5%, 0%, 43.5%)
CIE-LAB	lab(37.33, 1.77, -34.86)
CIE-LCH	lch(37.33, 34.91, 272.90°)
OKLab	oklab(45.96% -0.0331 -0.0992)
OKLCH	oklch(45.96% 0.105 251.5)
XYZ	xyz(9.4513, 9.7182, 27.7578)
Luminance	0.0972 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#255A90 #905B25

analogous

#258F90 #255A90 #252590

triadic

#255A90 #90255A #5A9025

tetradic

#255A90 #90258F #905B25 #259025

square

#255A90 #90258F #905B25 #259025

split-complementary

#255A90 #902525 #8F9025

monochromatic

#0C1D2F #183C5F #255A90 #3278C1 #5B97D5

Accessibility & contrast

On white

7.13

#255A90 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.94

#255A90 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #255A90

7.13:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##255A90	#FFFFFF	#000000	##FFFFFF
##255A90	1.00	7.13	2.94	7.13
#FFFFFF	7.13	1.00	21.00	1.00
#000000	2.94	21.00	1.00	21.00
##FFFFFF	7.13	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#415D92

Deuteranopia (green-blind)

#31538F

Tritanopia (blue-blind)

#00676E

Achromatopsia (no color)

#585858

Design tokens & code

CSS

--color: #255a90;
/* rgb */ color: rgb(37, 90, 144);
/* oklch */ color: oklch(46.0% 0.105 251.5);

Tailwind

colors: {
  custom: {
    50: '#6e88b1',
    500: '#255a90',
    950: '#000000',
  },
}

SCSS

$custom: #255a90;
$custom-light: #6e88b1;
$custom-dark: #000000;

JSON

{
  "hex": "#255a90",
  "rgb": {
    "r": 37,
    "g": 90,
    "b": 144
  },
  "hsl": {
    "h": 210.28,
    "s": 59.116,
    "l": 35.49
  },
  "oklch": {
    "l": 0.45963,
    "c": 0.1046,
    "h": 251.5
  },
  "luminance": 0.09719
}

Semantic roles & 50–950 ramp

primary

#255A90

secondary

#B98957

accent

#9545E2

background

#F7F8FA

surface

#EDEFF5

border

#C8CACF

text

#080B10

muted

#7B7C7F

Preview Lab

Preview with #255A90

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

Preview Lab → · Contrast checker → · Palette generator →