#2556D0#2556D0

#2556D0 is a mid, vivid blue. Relative luminance 0.116; OKLCH L 49.8% C 0.196 H 263.9°. Best body text is #FFFFFF at 6.32:1 contrast (WCAG AA passes).

Color values

HEX	#2556D0
RGB	rgb(37, 86, 208)
HSL	hsl(223, 70%, 48%)
HSV	hsv(223, 82%, 82%)
CMYK	cmyk(82.2%, 58.7%, 0%, 18.4%)
CIE-LAB	lab(40.58, 29.15, -67.41)
CIE-LCH	lch(40.58, 73.44, 293.38°)
OKLab	oklab(49.84% -0.0207 -0.1949)
OKLCH	oklch(49.84% 0.196 263.9)
XYZ	xyz(15.4718, 11.6011, 61.0861)
Luminance	0.1160 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2556D0 #D09F25

analogous

#25ABD0 #2556D0 #4925D0

triadic

#2556D0 #D02556 #56D025

tetradic

#2556D0 #D025AB #D09F25 #25D049

square

#2556D0 #D025AB #D09F25 #25D049

split-complementary

#2556D0 #D04925 #ABD025

monochromatic

#132B68 #1C419C #2556D0 #527BE0 #86A2E9

Accessibility & contrast

On white

6.32

#2556D0 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.32

#2556D0 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #2556D0

6.32:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2556D0	#FFFFFF	#000000	##FFFFFF
##2556D0	1.00	6.32	3.32	6.32
#FFFFFF	6.32	1.00	21.00	1.00
#000000	3.32	21.00	1.00	21.00
##FFFFFF	6.32	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0068D4

Deuteranopia (green-blind)

#0058CE

Tritanopia (blue-blind)

#00758A

Achromatopsia (no color)

#606060

Design tokens & code

CSS

--color: #2556d0;
/* rgb */ color: rgb(37, 86, 208);
/* oklch */ color: oklch(49.8% 0.196 263.9);

Tailwind

colors: {
  custom: {
    50: '#7d85df',
    500: '#2556d0',
    950: '#000000',
  },
}

SCSS

$custom: #2556d0;
$custom-light: #7d85df;
$custom-dark: #000000;

JSON

{
  "hex": "#2556d0",
  "rgb": {
    "r": 37,
    "g": 86,
    "b": 208
  },
  "hsl": {
    "h": 222.807,
    "s": 69.796,
    "l": 48.039
  },
  "oklch": {
    "l": 0.49837,
    "c": 0.19602,
    "h": 263.9
  },
  "luminance": 0.11603
}

Semantic roles & 50–950 ramp

primary

#2556D0

secondary

#D3BA7E

accent

#BA3BED

background

#F8F8FD

surface

#F0EFFB

border

#CBCAD4

text

#0C0B15

muted

#7D7C83

Preview Lab

Preview with #2556D0

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

Preview Lab → · Contrast checker → · Palette generator →