#255DA2#255DA2

#255DA2 is a mid, vivid cyan. Relative luminance 0.108; OKLCH L 47.8% C 0.126 H 255.5°. Best body text is #FFFFFF at 6.63:1 contrast (WCAG AA passes).

Color values

HEX	#255DA2
RGB	rgb(37, 93, 162)
HSL	hsl(213, 63%, 39%)
HSV	hsv(213, 77%, 64%)
CMYK	cmyk(77.2%, 42.6%, 0%, 36.5%)
CIE-LAB	lab(39.29, 6.78, -42.55)
CIE-LCH	lch(39.29, 43.09, 279.05°)
OKLab	oklab(47.83% -0.0316 -0.1217)
OKLCH	oklch(47.83% 0.126 255.5)
XYZ	xyz(11.1965, 10.8294, 35.6756)
Luminance	0.1083 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#255DA2 #A26A25

analogous

#259CA2 #255DA2 #2C25A2

triadic

#255DA2 #A2255D #5DA225

tetradic

#255DA2 #A2259C #A26A25 #25A22C

square

#255DA2 #A2259C #A26A25 #25A22C

split-complementary

#255DA2 #A22C25 #9CA225

monochromatic

#0E243E #1A4070 #255DA2 #347AD1 #659BDC

Accessibility & contrast

On white

6.63

#255DA2 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.17

#255DA2 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #255DA2

6.63:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##255DA2	#FFFFFF	#000000	##FFFFFF
##255DA2	1.00	6.63	3.17	6.63
#FFFFFF	6.63	1.00	21.00	1.00
#000000	3.17	21.00	1.00	21.00
##FFFFFF	6.63	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3B63A5

Deuteranopia (green-blind)

#2557A1

Tritanopia (blue-blind)

#006D77

Achromatopsia (no color)

#5D5D5D

Design tokens & code

CSS

--color: #255da2;
/* rgb */ color: rgb(37, 93, 162);
/* oklch */ color: oklch(47.8% 0.126 255.5);

Tailwind

colors: {
  custom: {
    50: '#728abe',
    500: '#255da2',
    950: '#000000',
  },
}

SCSS

$custom: #255da2;
$custom-light: #728abe;
$custom-dark: #000000;

JSON

{
  "hex": "#255da2",
  "rgb": {
    "r": 37,
    "g": 93,
    "b": 162
  },
  "hsl": {
    "h": 213.12,
    "s": 62.814,
    "l": 39.02
  },
  "oklch": {
    "l": 0.47832,
    "c": 0.12573,
    "h": 255.5
  },
  "luminance": 0.10831
}

Semantic roles & 50–950 ramp

primary

#255DA2

secondary

#C29661

accent

#9C42E6

background

#F7F8FB

surface

#EDF0F7

border

#C8CBD0

text

#090B12

muted

#7B7C81

Preview Lab

Preview with #255DA2

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

Preview Lab → · Contrast checker → · Palette generator →