#255DC6#255DC6

#255DC6 is a mid, vivid blue. Relative luminance 0.123; OKLCH L 50.4% C 0.174 H 261.5°. Best body text is #FFFFFF at 6.07:1 contrast (WCAG AA passes).

Color values

HEX	#255DC6
RGB	rgb(37, 93, 198)
HSL	hsl(219, 69%, 46%)
HSV	hsv(219, 81%, 78%)
CMYK	cmyk(81.3%, 53%, 0%, 22.4%)
CIE-LAB	lab(41.68, 20.76, -59.83)
CIE-LCH	lch(41.68, 63.33, 289.13°)
OKLab	oklab(50.44% -0.0258 -0.1725)
OKLCH	oklch(50.44% 0.174 261.5)
XYZ	xyz(14.8667, 12.2974, 55.0052)
Luminance	0.1230 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#255DC6 #C68E25

analogous

#25ADC6 #255DC6 #3D25C6

triadic

#255DC6 #C6255D #5DC625

tetradic

#255DC6 #C625AD #C68E25 #25C63D

square

#255DC6 #C625AD #C68E25 #25C63D

split-complementary

#255DC6 #C63D25 #ADC625

monochromatic

#122D5F #1B4592 #255DC6 #4B7EDD #7EA3E7

Accessibility & contrast

On white

6.07

#255DC6 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.46

#255DC6 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #255DC6

6.07:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##255DC6	#FFFFFF	#000000	##FFFFFF
##255DC6	1.00	6.07	3.46	6.07
#FFFFFF	6.07	1.00	21.00	1.00
#000000	3.46	21.00	1.00	21.00
##FFFFFF	6.07	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#086ACA

Deuteranopia (green-blind)

#005BC4

Tritanopia (blue-blind)

#007788

Achromatopsia (no color)

#626262

Design tokens & code

CSS

--color: #255dc6;
/* rgb */ color: rgb(37, 93, 198);
/* oklch */ color: oklch(50.4% 0.174 261.5);

Tailwind

colors: {
  custom: {
    50: '#7a8ad8',
    500: '#255dc6',
    950: '#000000',
  },
}

SCSS

$custom: #255dc6;
$custom-light: #7a8ad8;
$custom-dark: #000000;

JSON

{
  "hex": "#255dc6",
  "rgb": {
    "r": 37,
    "g": 93,
    "b": 198
  },
  "hsl": {
    "h": 219.13,
    "s": 68.511,
    "l": 46.078
  },
  "oklch": {
    "l": 0.50437,
    "c": 0.17446,
    "h": 261.5
  },
  "luminance": 0.12299
}

Semantic roles & 50–950 ramp

primary

#255DC6

secondary

#CFB177

accent

#AF3CEB

background

#F8F8FD

surface

#EFF0FA

border

#CACBD3

text

#0B0B15

muted

#7C7C83

Preview Lab

Preview with #255DC6

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

Preview Lab → · Contrast checker → · Palette generator →