#437ADE#437ADE

#437ADE is a mid, vivid blue. Relative luminance 0.204; OKLCH L 59.3% C 0.163 H 261.2°. Best body text is #000000 at 5.08:1 contrast (WCAG AA passes).

Color values

HEX	#437ADE
RGB	rgb(67, 122, 222)
HSL	hsl(219, 70%, 57%)
HSV	hsv(219, 70%, 87%)
CMYK	cmyk(69.8%, 45%, 0%, 12.9%)
CIE-LAB	lab(52.27, 14.83, -56.41)
CIE-LCH	lch(52.27, 58.33, 284.73°)
OKLab	oklab(59.33% -0.0249 -0.1615)
OKLCH	oklch(59.33% 0.163 261.2)
XYZ	xyz(22.4544, 20.3839, 71.8442)
Luminance	0.2039 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#437ADE #DEA743

analogous

#43C7DE #437ADE #5A43DE

triadic

#437ADE #DE437A #7ADE43

tetradic

#437ADE #DE43C7 #DEA743 #43DE5A

square

#437ADE #DE43C7 #DEA743 #43DE5A

split-complementary

#437ADE #DE5A43 #C7DE43

monochromatic

#19428E #225BC2 #437ADE #779FE7 #ABC4F0

Accessibility & contrast

On white

4.14

#437ADE on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.08

#437ADE on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #437ADE

5.08:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##437ADE	#FFFFFF	#000000	##000000
##437ADE	1.00	4.14	5.08	5.08
#FFFFFF	4.14	1.00	21.00	21.00
#000000	5.08	21.00	1.00	1.00
##000000	5.08	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#4784E2

Deuteranopia (green-blind)

#2876DC

Tritanopia (blue-blind)

#0091A1

Achromatopsia (no color)

#7D7D7D

Design tokens & code

CSS

--color: #437ade;
/* rgb */ color: rgb(67, 122, 222);
/* oklch */ color: oklch(59.3% 0.163 261.2);

Tailwind

colors: {
  custom: {
    50: '#899fe9',
    500: '#437ade',
    950: '#000000',
  },
}

SCSS

$custom: #437ade;
$custom-light: #899fe9;
$custom-dark: #000000;

JSON

{
  "hex": "#437ade",
  "rgb": {
    "r": 67,
    "g": 122,
    "b": 222
  },
  "hsl": {
    "h": 218.71,
    "s": 70.136,
    "l": 56.667
  },
  "oklch": {
    "l": 0.59331,
    "c": 0.16342,
    "h": 261.2
  },
  "luminance": 0.20386
}

Semantic roles & 50–950 ramp

primary

#437ADE

secondary

#DEC89F

accent

#AE3BED

background

#F9F9FE

surface

#F1F2FD

border

#CBCCD5

text

#0D0E16

muted

#7E7E84

Preview Lab

Preview with #437ADE

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

Preview Lab → · Contrast checker → · Palette generator →