#437CD2#437CD2

#437CD2 is a mid, vivid blue. Relative luminance 0.203; OKLCH L 59.0% C 0.145 H 258.5°. Best body text is #000000 at 5.05:1 contrast (WCAG AA passes).

Color values

HEX	#437CD2
RGB	rgb(67, 124, 210)
HSL	hsl(216, 61%, 54%)
HSV	hsv(216, 68%, 82%)
CMYK	cmyk(68.1%, 41%, 0%, 17.6%)
CIE-LAB	lab(52.13, 9.33, -49.86)
CIE-LCH	lch(52.13, 50.72, 280.60°)
OKLab	oklab(59% -0.029 -0.1422)
OKLCH	oklch(59% 0.145 258.5)
XYZ	xyz(21.1511, 20.2596, 63.7561)
Luminance	0.2026 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#437CD2 #D29943

analogous

#43C3D2 #437CD2 #5243D2

triadic

#437CD2 #D2437C #7CD243

tetradic

#437CD2 #D243C3 #D29943 #43D252

square

#437CD2 #D243C3 #D29943 #43D252

split-complementary

#437CD2 #D25243 #C3D243

monochromatic

#1E447D #2A5EAE #437CD2 #749EDE #A6C1EA

Accessibility & contrast

On white

4.16

#437CD2 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.05

#437CD2 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #437CD2

5.05:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##437CD2	#FFFFFF	#000000	##000000
##437CD2	1.00	4.16	5.05	5.05
#FFFFFF	4.16	1.00	21.00	21.00
#000000	5.05	21.00	1.00	1.00
##000000	5.05	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5484D5

Deuteranopia (green-blind)

#3D76D0

Tritanopia (blue-blind)

#00909D

Achromatopsia (no color)

#7C7C7C

Design tokens & code

CSS

--color: #437cd2;
/* rgb */ color: rgb(67, 124, 210);
/* oklch */ color: oklch(59.0% 0.145 258.5);

Tailwind

colors: {
  custom: {
    50: '#86a1e0',
    500: '#437cd2',
    950: '#000000',
  },
}

SCSS

$custom: #437cd2;
$custom-light: #86a1e0;
$custom-dark: #000000;

JSON

{
  "hex": "#437cd2",
  "rgb": {
    "r": 67,
    "g": 124,
    "b": 210
  },
  "hsl": {
    "h": 216.084,
    "s": 61.373,
    "l": 54.314
  },
  "oklch": {
    "l": 0.58999,
    "c": 0.14514,
    "h": 258.5
  },
  "luminance": 0.20262
}

Semantic roles & 50–950 ramp

primary

#437CD2

secondary

#D7BF9A

accent

#A443E4

background

#F8F9FD

surface

#F0F2FB

border

#CBCCD4

text

#0C0E15

muted

#7D7E83

Preview Lab

Preview with #437CD2

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

Preview Lab → · Contrast checker → · Palette generator →