#255DE2#255DE2

#255DE2 is a mid, highly saturated blue. Relative luminance 0.137; OKLCH L 52.7% C 0.211 H 263.5°. Best body text is #FFFFFF at 5.61:1 contrast (WCAG AA passes).

Color values

HEX	#255DE2
RGB	rgb(37, 93, 226)
HSL	hsl(222, 77%, 52%)
HSV	hsv(222, 84%, 89%)
CMYK	cmyk(83.6%, 58.8%, 0%, 11.4%)
CIE-LAB	lab(43.82, 31.42, -72.40)
CIE-LCH	lch(43.82, 78.93, 293.46°)
OKLab	oklab(52.71% -0.0238 -0.2095)
OKLCH	oklch(52.71% 0.211 263.5)
XYZ	xyz(18.3999, 13.7107, 73.6134)
Luminance	0.1371 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#255DE2 #E2AA25

analogous

#25BCE2 #255DE2 #4C25E2

triadic

#255DE2 #E2255D #5DE225

tetradic

#255DE2 #E225BC #E2AA25 #25E24C

square

#255DE2 #E225BC #E2AA25 #25E24C

split-complementary

#255DE2 #E24C25 #BCE225

monochromatic

#11307C #1845B2 #255DE2 #5B85E9 #91ADF0

Accessibility & contrast

On white

5.61

#255DE2 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.74

#255DE2 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #255DE2

5.61:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##255DE2	#FFFFFF	#000000	##FFFFFF
##255DE2	1.00	5.61	3.74	5.61
#FFFFFF	5.61	1.00	21.00	1.00
#000000	3.74	21.00	1.00	21.00
##FFFFFF	5.61	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0071E6

Deuteranopia (green-blind)

#005FDF

Tritanopia (blue-blind)

#007F96

Achromatopsia (no color)

#686868

Design tokens & code

CSS

--color: #255de2;
/* rgb */ color: rgb(37, 93, 226);
/* oklch */ color: oklch(52.7% 0.211 263.5);

Tailwind

colors: {
  custom: {
    50: '#818aec',
    500: '#255de2',
    950: '#000000',
  },
}

SCSS

$custom: #255de2;
$custom-light: #818aec;
$custom-dark: #000000;

JSON

{
  "hex": "#255de2",
  "rgb": {
    "r": 37,
    "g": 93,
    "b": 226
  },
  "hsl": {
    "h": 222.222,
    "s": 76.518,
    "l": 51.569
  },
  "oklch": {
    "l": 0.52711,
    "c": 0.21083,
    "h": 263.5
  },
  "luminance": 0.13713
}

Semantic roles & 50–950 ramp

primary

#255DE2

secondary

#DBC288

accent

#BB35F3

background

#F8F8FE

surface

#F0F0FD

border

#CBCBD5

text

#0D0B16

muted

#7D7C84

Preview Lab

Preview with #255DE2

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

Preview Lab → · Contrast checker → · Palette generator →