#255B89#255B89

#255B89 is a mid, moderate cyan. Relative luminance 0.097; OKLCH L 45.8% C 0.094 H 247.4°. Best body text is #FFFFFF at 7.15:1 contrast (WCAG AA passes).

Color values

HEX	#255B89
RGB	rgb(37, 91, 137)
HSL	hsl(208, 57%, 34%)
HSV	hsv(208, 73%, 54%)
CMYK	cmyk(73%, 33.6%, 0%, 46.3%)
CIE-LAB	lab(37.26, -1.54, -30.73)
CIE-LCH	lch(37.26, 30.76, 267.14°)
OKLab	oklab(45.79% -0.0362 -0.0871)
OKLCH	oklch(45.79% 0.094 247.4)
XYZ	xyz(9.0177, 9.6806, 25.0554)
Luminance	0.0968 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#255B89 #895325

analogous

#258985 #255B89 #252989

triadic

#255B89 #89255B #5B8925

tetradic

#255B89 #852589 #895325 #298925

square

#255B89 #852589 #895325 #298925

split-complementary

#255B89 #892529 #898525

monochromatic

#0B1B29 #183B59 #255B89 #327BB9 #5799D2

Accessibility & contrast

On white

7.15

#255B89 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.94

#255B89 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #255B89

7.15:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##255B89	#FFFFFF	#000000	##FFFFFF
##255B89	1.00	7.15	2.94	7.15
#FFFFFF	7.15	1.00	21.00	1.00
#000000	2.94	21.00	1.00	21.00
##FFFFFF	7.15	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#465D8B

Deuteranopia (green-blind)

#385388

Tritanopia (blue-blind)

#00666B

Achromatopsia (no color)

#585858

Design tokens & code

CSS

--color: #255b89;
/* rgb */ color: rgb(37, 91, 137);
/* oklch */ color: oklch(45.8% 0.094 247.4);

Tailwind

colors: {
  custom: {
    50: '#6d89ab',
    500: '#255b89',
    950: '#000000',
  },
}

SCSS

$custom: #255b89;
$custom-light: #6d89ab;
$custom-dark: #000000;

JSON

{
  "hex": "#255b89",
  "rgb": {
    "r": 37,
    "g": 91,
    "b": 137
  },
  "hsl": {
    "h": 207.6,
    "s": 57.471,
    "l": 34.118
  },
  "oklch": {
    "l": 0.45785,
    "c": 0.09432,
    "h": 247.4
  },
  "luminance": 0.09682
}

Semantic roles & 50–950 ramp

primary

#255B89

secondary

#B68154

accent

#8E47E1

background

#F6F8FA

surface

#ECEFF4

border

#C7CACE

text

#080B10

muted

#7A7C7F

Preview Lab

Preview with #255B89

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

Preview Lab → · Contrast checker → · Palette generator →