#2563BE#2563BE

#2563BE is a mid, vivid blue. Relative luminance 0.130; OKLCH L 51.1% C 0.157 H 258.5°. Best body text is #FFFFFF at 5.82:1 contrast (WCAG AA passes).

Color values

HEX	#2563BE
RGB	rgb(37, 99, 190)
HSL	hsl(216, 67%, 45%)
HSV	hsv(216, 81%, 75%)
CMYK	cmyk(80.5%, 47.9%, 0%, 25.5%)
CIE-LAB	lab(42.81, 13.76, -53.37)
CIE-LCH	lch(42.81, 55.11, 284.46°)
OKLab	oklab(51.12% -0.0312 -0.1534)
OKLCH	oklch(51.12% 0.157 258.5)
XYZ	xyz(14.5156, 13.0330, 50.4558)
Luminance	0.1303 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2563BE #BE8025

analogous

#25B0BE #2563BE #3325BE

triadic

#2563BE #BE2563 #63BE25

tetradic

#2563BE #BE25B0 #BE8025 #25BE33

square

#2563BE #BE25B0 #BE8025 #25BE33

split-complementary

#2563BE #BE3325 #B0BE25

monochromatic

#112E58 #1B488B #2563BE #4582DB #79A4E5

Accessibility & contrast

On white

5.82

#2563BE on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.61

#2563BE on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #2563BE

5.82:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2563BE	#FFFFFF	#000000	##FFFFFF
##2563BE	1.00	5.82	3.61	5.82
#FFFFFF	5.82	1.00	21.00	1.00
#000000	3.61	21.00	1.00	21.00
##FFFFFF	5.82	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2F6CC1

Deuteranopia (green-blind)

#005FBC

Tritanopia (blue-blind)

#007987

Achromatopsia (no color)

#656565

Design tokens & code

CSS

--color: #2563be;
/* rgb */ color: rgb(37, 99, 190);
/* oklch */ color: oklch(51.1% 0.157 258.5);

Tailwind

colors: {
  custom: {
    50: '#788ed2',
    500: '#2563be',
    950: '#000000',
  },
}

SCSS

$custom: #2563be;
$custom-light: #788ed2;
$custom-dark: #000000;

JSON

{
  "hex": "#2563be",
  "rgb": {
    "r": 37,
    "g": 99,
    "b": 190
  },
  "hsl": {
    "h": 215.686,
    "s": 67.401,
    "l": 44.51
  },
  "oklch": {
    "l": 0.51124,
    "c": 0.15655,
    "h": 258.5
  },
  "luminance": 0.13035
}

Semantic roles & 50–950 ramp

primary

#2563BE

secondary

#CDA872

accent

#A43EEA

background

#F8F8FD

surface

#EFF0FA

border

#CACBD3

text

#0A0C14

muted

#7C7D83

Preview Lab

Preview with #2563BE

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

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