#255B90#255B90

#255B90 is a mid, moderate cyan. Relative luminance 0.099; OKLCH L 46.2% C 0.104 H 250.7°. Best body text is #FFFFFF at 7.05:1 contrast (WCAG AA passes).

Color values

HEX	#255B90
RGB	rgb(37, 91, 144)
HSL	hsl(210, 59%, 35%)
HSV	hsv(210, 74%, 56%)
CMYK	cmyk(74.3%, 36.8%, 0%, 43.5%)
CIE-LAB	lab(37.64, 1.13, -34.37)
CIE-LCH	lch(37.64, 34.39, 271.88°)
OKLab	oklab(46.21% -0.0341 -0.0978)
OKLCH	oklch(46.21% 0.104 250.7)
XYZ	xyz(9.5362, 9.8880, 27.7861)
Luminance	0.0989 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#255B90 #905A25

analogous

#25908F #255B90 #252590

triadic

#255B90 #90255B #5B9025

tetradic

#255B90 #8F2590 #905A25 #259025

square

#255B90 #8F2590 #905A25 #259025

split-complementary

#255B90 #902525 #908F25

monochromatic

#0C1D2F #183C5F #255B90 #327AC1 #5B98D5

Accessibility & contrast

On white

7.05

#255B90 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.98

#255B90 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #255B90

7.05:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##255B90	#FFFFFF	#000000	##FFFFFF
##255B90	1.00	7.05	2.98	7.05
#FFFFFF	7.05	1.00	21.00	1.00
#000000	2.98	21.00	1.00	21.00
##FFFFFF	7.05	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#435E92

Deuteranopia (green-blind)

#33548F

Tritanopia (blue-blind)

#00686E

Achromatopsia (no color)

#595959

Design tokens & code

CSS

--color: #255b90;
/* rgb */ color: rgb(37, 91, 144);
/* oklch */ color: oklch(46.2% 0.104 250.7);

Tailwind

colors: {
  custom: {
    50: '#6e89b1',
    500: '#255b90',
    950: '#000000',
  },
}

SCSS

$custom: #255b90;
$custom-light: #6e89b1;
$custom-dark: #000000;

JSON

{
  "hex": "#255b90",
  "rgb": {
    "r": 37,
    "g": 91,
    "b": 144
  },
  "hsl": {
    "h": 209.72,
    "s": 59.116,
    "l": 35.49
  },
  "oklch": {
    "l": 0.46205,
    "c": 0.10355,
    "h": 250.7
  },
  "luminance": 0.09889
}

Semantic roles & 50–950 ramp

primary

#255B90

secondary

#B98857

accent

#9345E2

background

#F7F8FA

surface

#EDEFF5

border

#C8CACF

text

#080B10

muted

#7B7C7F

Preview Lab

Preview with #255B90

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

Preview Lab → · Contrast checker → · Palette generator →