#255BA4#255BA4

#255BA4 is a mid, vivid cyan. Relative luminance 0.106; OKLCH L 47.5% C 0.131 H 257.0°. Best body text is #FFFFFF at 6.75:1 contrast (WCAG AA passes).

Color values

HEX	#255BA4
RGB	rgb(37, 91, 164)
HSL	hsl(214, 63%, 39%)
HSV	hsv(214, 77%, 64%)
CMYK	cmyk(77.4%, 44.5%, 0%, 35.7%)
CIE-LAB	lab(38.82, 8.86, -44.49)
CIE-LCH	lch(38.82, 45.37, 281.26°)
OKLab	oklab(47.51% -0.0294 -0.1275)
OKLCH	oklch(47.51% 0.131 257)
XYZ	xyz(11.2024, 10.5545, 36.5616)
Luminance	0.1056 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#255BA4 #A46E25

analogous

#259BA4 #255BA4 #2E25A4

triadic

#255BA4 #A4255B #5BA425

tetradic

#255BA4 #A4259B #A46E25 #25A42E

square

#255BA4 #A4259B #A46E25 #25A42E

split-complementary

#255BA4 #A42E25 #9BA425

monochromatic

#0E2440 #1A3F72 #255BA4 #3577D1 #6799DD

Accessibility & contrast

On white

6.75

#255BA4 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.11

#255BA4 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #255BA4

6.75:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##255BA4	#FFFFFF	#000000	##FFFFFF
##255BA4	1.00	6.75	3.11	6.75
#FFFFFF	6.75	1.00	21.00	1.00
#000000	3.11	21.00	1.00	21.00
##FFFFFF	6.75	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3662A7

Deuteranopia (green-blind)

#1D56A3

Tritanopia (blue-blind)

#006C77

Achromatopsia (no color)

#5B5B5B

Design tokens & code

CSS

--color: #255ba4;
/* rgb */ color: rgb(37, 91, 164);
/* oklch */ color: oklch(47.5% 0.131 257.0);

Tailwind

colors: {
  custom: {
    50: '#7288bf',
    500: '#255ba4',
    950: '#000000',
  },
}

SCSS

$custom: #255ba4;
$custom-light: #7288bf;
$custom-dark: #000000;

JSON

{
  "hex": "#255ba4",
  "rgb": {
    "r": 37,
    "g": 91,
    "b": 164
  },
  "hsl": {
    "h": 214.488,
    "s": 63.184,
    "l": 39.412
  },
  "oklch": {
    "l": 0.47506,
    "c": 0.1308,
    "h": 257
  },
  "luminance": 0.10556
}

Semantic roles & 50–950 ramp

primary

#255BA4

secondary

#C29A62

accent

#A042E6

background

#F7F8FB

surface

#EDEFF7

border

#C8CAD0

text

#090B12

muted

#7B7C81

Preview Lab

Preview with #255BA4

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

Preview Lab → · Contrast checker → · Palette generator →