#255E9E#255E9E

#255E9E is a mid, moderate cyan. Relative luminance 0.109; OKLCH L 47.8% C 0.119 H 253.7°. Best body text is #FFFFFF at 6.62:1 contrast (WCAG AA passes).

Color values

HEX	#255E9E
RGB	rgb(37, 94, 158)
HSL	hsl(212, 62%, 38%)
HSV	hsv(212, 77%, 62%)
CMYK	cmyk(76.6%, 40.5%, 0%, 38%)
CIE-LAB	lab(39.35, 4.59, -40.06)
CIE-LCH	lch(39.35, 40.33, 276.53°)
OKLab	oklab(47.8% -0.0334 -0.1144)
OKLCH	oklch(47.8% 0.119 253.7)
XYZ	xyz(10.9349, 10.8661, 33.8622)
Luminance	0.1087 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#255E9E #9E6525

analogous

#259A9E #255E9E #29259E

triadic

#255E9E #9E255E #5E9E25

tetradic

#255E9E #9E259A #9E6525 #259E29

square

#255E9E #9E259A #9E6525 #259E29

split-complementary

#255E9E #9E2925 #9A9E25

monochromatic

#0E233B #19406C #255E9E #317CCF #639BDA

Accessibility & contrast

On white

6.62

#255E9E on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.17

#255E9E on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #255E9E

6.62:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##255E9E	#FFFFFF	#000000	##FFFFFF
##255E9E	1.00	6.62	3.17	6.62
#FFFFFF	6.62	1.00	21.00	1.00
#000000	3.17	21.00	1.00	21.00
##FFFFFF	6.62	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4063A1

Deuteranopia (green-blind)

#2C589D

Tritanopia (blue-blind)

#006D76

Achromatopsia (no color)

#5D5D5D

Design tokens & code

CSS

--color: #255e9e;
/* rgb */ color: rgb(37, 94, 158);
/* oklch */ color: oklch(47.8% 0.119 253.7);

Tailwind

colors: {
  custom: {
    50: '#718bbb',
    500: '#255e9e',
    950: '#000000',
  },
}

SCSS

$custom: #255e9e;
$custom-light: #718bbb;
$custom-dark: #000000;

JSON

{
  "hex": "#255e9e",
  "rgb": {
    "r": 37,
    "g": 94,
    "b": 158
  },
  "hsl": {
    "h": 211.736,
    "s": 62.051,
    "l": 38.235
  },
  "oklch": {
    "l": 0.47803,
    "c": 0.11917,
    "h": 253.7
  },
  "luminance": 0.10867
}

Semantic roles & 50–950 ramp

primary

#255E9E

secondary

#C0925F

accent

#9943E5

background

#F7F8FB

surface

#EDF0F6

border

#C8CBD0

text

#090B12

muted

#7B7C81

Preview Lab

Preview with #255E9E

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

Preview Lab → · Contrast checker → · Palette generator →