#255CA3#255CA3

#255CA3 is a mid, vivid cyan. Relative luminance 0.107; OKLCH L 47.7% C 0.128 H 256.3°. Best body text is #FFFFFF at 6.69:1 contrast (WCAG AA passes).

Color values

HEX	#255CA3
RGB	rgb(37, 92, 163)
HSL	hsl(214, 63%, 39%)
HSV	hsv(214, 77%, 64%)
CMYK	cmyk(77.3%, 43.6%, 0%, 36.1%)
CIE-LAB	lab(39.05, 7.81, -43.52)
CIE-LCH	lch(39.05, 44.22, 280.18°)
OKLab	oklab(47.67% -0.0304 -0.1246)
OKLCH	oklch(47.67% 0.128 256.3)
XYZ	xyz(11.1985, 10.6907, 36.1165)
Luminance	0.1069 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#255CA3 #A36C25

analogous

#259BA3 #255CA3 #2D25A3

triadic

#255CA3 #A3255C #5CA325

tetradic

#255CA3 #A3259B #A36C25 #25A32D

square

#255CA3 #A3259B #A36C25 #25A32D

split-complementary

#255CA3 #A32D25 #9BA325

monochromatic

#0E243F #1A4071 #255CA3 #3479D1 #669ADC

Accessibility & contrast

On white

6.69

#255CA3 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.14

#255CA3 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #255CA3

6.69:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##255CA3	#FFFFFF	#000000	##FFFFFF
##255CA3	1.00	6.69	3.14	6.69
#FFFFFF	6.69	1.00	21.00	1.00
#000000	3.14	21.00	1.00	21.00
##FFFFFF	6.69	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3962A6

Deuteranopia (green-blind)

#2157A2

Tritanopia (blue-blind)

#006D77

Achromatopsia (no color)

#5C5C5C

Design tokens & code

CSS

--color: #255ca3;
/* rgb */ color: rgb(37, 92, 163);
/* oklch */ color: oklch(47.7% 0.128 256.3);

Tailwind

colors: {
  custom: {
    50: '#7289bf',
    500: '#255ca3',
    950: '#000000',
  },
}

SCSS

$custom: #255ca3;
$custom-light: #7289bf;
$custom-dark: #000000;

JSON

{
  "hex": "#255ca3",
  "rgb": {
    "r": 37,
    "g": 92,
    "b": 163
  },
  "hsl": {
    "h": 213.81,
    "s": 63,
    "l": 39.216
  },
  "oklch": {
    "l": 0.47668,
    "c": 0.12825,
    "h": 256.3
  },
  "luminance": 0.10692
}

Semantic roles & 50–950 ramp

primary

#255CA3

secondary

#C29862

accent

#9E42E6

background

#F7F8FB

surface

#EDF0F7

border

#C8CBD0

text

#090B12

muted

#7B7C81

Preview Lab

Preview with #255CA3

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

Preview Lab → · Contrast checker → · Palette generator →