#255FAA#255FAA

#255FAA is a mid, vivid cyan. Relative luminance 0.115; OKLCH L 48.8% C 0.134 H 256.4°. Best body text is #FFFFFF at 6.37:1 contrast (WCAG AA passes).

Color values

HEX	#255FAA
RGB	rgb(37, 95, 170)
HSL	hsl(214, 64%, 41%)
HSV	hsv(214, 78%, 67%)
CMYK	cmyk(78.2%, 44.1%, 0%, 33.3%)
CIE-LAB	lab(40.38, 8.59, -45.56)
CIE-LCH	lch(40.38, 46.36, 280.67°)
OKLab	oklab(48.83% -0.0316 -0.1305)
OKLCH	oklch(48.83% 0.134 256.4)
XYZ	xyz(12.1082, 11.4786, 39.5999)
Luminance	0.1148 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#255FAA #AA7025

analogous

#25A1AA #255FAA #2E25AA

triadic

#255FAA #AA255F #5FAA25

tetradic

#255FAA #AA25A1 #AA7025 #25AA2E

square

#255FAA #AA25A1 #AA7025 #25AA2E

split-complementary

#255FAA #AA2E25 #A1AA25

monochromatic

#0F2745 #1A4378 #255FAA #387CD4 #6B9DDF

Accessibility & contrast

On white

6.37

#255FAA on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.30

#255FAA on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #255FAA

6.37:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##255FAA	#FFFFFF	#000000	##FFFFFF
##255FAA	1.00	6.37	3.30	6.37
#FFFFFF	6.37	1.00	21.00	1.00
#000000	3.30	21.00	1.00	21.00
##FFFFFF	6.37	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3966AD

Deuteranopia (green-blind)

#1F5AA9

Tritanopia (blue-blind)

#00717C

Achromatopsia (no color)

#5F5F5F

Design tokens & code

CSS

--color: #255faa;
/* rgb */ color: rgb(37, 95, 170);
/* oklch */ color: oklch(48.8% 0.134 256.4);

Tailwind

colors: {
  custom: {
    50: '#748bc4',
    500: '#255faa',
    950: '#000000',
  },
}

SCSS

$custom: #255faa;
$custom-light: #748bc4;
$custom-dark: #000000;

JSON

{
  "hex": "#255faa",
  "rgb": {
    "r": 37,
    "g": 95,
    "b": 170
  },
  "hsl": {
    "h": 213.835,
    "s": 64.251,
    "l": 40.588
  },
  "oklch": {
    "l": 0.48831,
    "c": 0.1343,
    "h": 256.4
  },
  "luminance": 0.1148
}

Semantic roles & 50–950 ramp

primary

#255FAA

secondary

#C59B66

accent

#9F41E7

background

#F7F8FC

surface

#EEF0F8

border

#C9CBD1

text

#090C13

muted

#7B7D82

Preview Lab

Preview with #255FAA

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

Preview Lab → · Contrast checker → · Palette generator →