#437CD6#437CD6

#437CD6 is a mid, vivid blue. Relative luminance 0.205; OKLCH L 59.2% C 0.150 H 259.2°. Best body text is #000000 at 5.09:1 contrast (WCAG AA passes).

Color values

HEX	#437CD6
RGB	rgb(67, 124, 214)
HSL	hsl(217, 64%, 55%)
HSV	hsv(217, 69%, 84%)
CMYK	cmyk(68.7%, 42.1%, 0%, 16.1%)
CIE-LAB	lab(52.35, 10.75, -51.76)
CIE-LCH	lch(52.35, 52.87, 281.73°)
OKLab	oklab(59.25% -0.0282 -0.1478)
OKLCH	oklch(59.25% 0.15 259.2)
XYZ	xyz(21.6556, 20.4614, 66.4135)
Luminance	0.2046 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#437CD6 #D69D43

analogous

#43C5D6 #437CD6 #5443D6

triadic

#437CD6 #D6437C #7CD643

tetradic

#437CD6 #D643C5 #D69D43 #43D654

square

#437CD6 #D643C5 #D69D43 #43D654

split-complementary

#437CD6 #D65443 #C5D643

monochromatic

#1C4482 #275EB4 #437CD6 #759FE1 #A7C2EC

Accessibility & contrast

On white

4.12

#437CD6 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.09

#437CD6 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #437CD6

5.09:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##437CD6	#FFFFFF	#000000	##000000
##437CD6	1.00	4.12	5.09	5.09
#FFFFFF	4.12	1.00	21.00	21.00
#000000	5.09	21.00	1.00	1.00
##000000	5.09	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5184DA

Deuteranopia (green-blind)

#3977D4

Tritanopia (blue-blind)

#00919E

Achromatopsia (no color)

#7D7D7D

Design tokens & code

CSS

--color: #437cd6;
/* rgb */ color: rgb(67, 124, 214);
/* oklch */ color: oklch(59.2% 0.150 259.2);

Tailwind

colors: {
  custom: {
    50: '#87a1e3',
    500: '#437cd6',
    950: '#000000',
  },
}

SCSS

$custom: #437cd6;
$custom-light: #87a1e3;
$custom-dark: #000000;

JSON

{
  "hex": "#437cd6",
  "rgb": {
    "r": 67,
    "g": 124,
    "b": 214
  },
  "hsl": {
    "h": 216.735,
    "s": 64.192,
    "l": 55.098
  },
  "oklch": {
    "l": 0.59247,
    "c": 0.15047,
    "h": 259.2
  },
  "luminance": 0.20464
}

Semantic roles & 50–950 ramp

primary

#437CD6

secondary

#D9C19C

accent

#A741E7

background

#F8F9FD

surface

#F0F2FB

border

#CBCCD4

text

#0D0E15

muted

#7D7E83

Preview Lab

Preview with #437CD6

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

Preview Lab → · Contrast checker → · Palette generator →