#437DE2#437DE2

#437DE2 is a mid, vivid blue. Relative luminance 0.214; OKLCH L 60.2% C 0.165 H 260.6°. Best body text is #000000 at 5.27:1 contrast (WCAG AA passes).

Color values

HEX	#437DE2
RGB	rgb(67, 125, 226)
HSL	hsl(218, 73%, 57%)
HSV	hsv(218, 70%, 89%)
CMYK	cmyk(70.4%, 44.7%, 0%, 11.4%)
CIE-LAB	lab(53.33, 14.41, -56.96)
CIE-LCH	lch(53.33, 58.75, 284.20°)
OKLab	oklab(60.22% -0.0269 -0.1631)
OKLCH	oklch(60.22% 0.165 260.6)
XYZ	xyz(23.3709, 21.3490, 74.8258)
Luminance	0.2135 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#437DE2 #E2A843

analogous

#43CDE2 #437DE2 #5843E2

triadic

#437DE2 #E2437D #7DE243

tetradic

#437DE2 #E243CD #E2A843 #43E258

square

#437DE2 #E243CD #E2A843 #43E258

split-complementary

#437DE2 #E25843 #CDE243

monochromatic

#174494 #1F5DC9 #437DE2 #78A2EA #ADC6F2

Accessibility & contrast

On white

3.98

#437DE2 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.27

#437DE2 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #437DE2

5.27:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##437DE2	#FFFFFF	#000000	##000000
##437DE2	1.00	3.98	5.27	5.27
#FFFFFF	3.98	1.00	21.00	21.00
#000000	5.27	21.00	1.00	1.00
##000000	5.27	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#4A87E6

Deuteranopia (green-blind)

#2B79E0

Tritanopia (blue-blind)

#0095A4

Achromatopsia (no color)

#7F7F7F

Design tokens & code

CSS

--color: #437de2;
/* rgb */ color: rgb(67, 125, 226);
/* oklch */ color: oklch(60.2% 0.165 260.6);

Tailwind

colors: {
  custom: {
    50: '#89a2ec',
    500: '#437de2',
    950: '#000000',
  },
}

SCSS

$custom: #437de2;
$custom-light: #89a2ec;
$custom-dark: #000000;

JSON

{
  "hex": "#437de2",
  "rgb": {
    "r": 67,
    "g": 125,
    "b": 226
  },
  "hsl": {
    "h": 218.113,
    "s": 73.272,
    "l": 57.451
  },
  "oklch": {
    "l": 0.60224,
    "c": 0.16527,
    "h": 260.6
  },
  "luminance": 0.21352
}

Semantic roles & 50–950 ramp

primary

#437DE2

secondary

#E1C9A0

accent

#AD38F0

background

#F9F9FE

surface

#F1F2FD

border

#CBCCD5

text

#0D0F16

muted

#7E7E84

Preview Lab

Preview with #437DE2

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

Preview Lab → · Contrast checker → · Palette generator →