#437BD6#437BD6

#437BD6 is a mid, vivid blue. Relative luminance 0.202; OKLCH L 59.0% C 0.152 H 259.6°. Best body text is #000000 at 5.04:1 contrast (WCAG AA passes).

Color values

HEX	#437BD6
RGB	rgb(67, 123, 214)
HSL	hsl(217, 64%, 55%)
HSV	hsv(217, 69%, 84%)
CMYK	cmyk(68.7%, 42.5%, 0%, 16.1%)
CIE-LAB	lab(52.08, 11.37, -52.21)
CIE-LCH	lch(52.08, 53.43, 282.28°)
OKLab	oklab(59.03% -0.0272 -0.1491)
OKLCH	oklch(59.03% 0.152 259.6)
XYZ	xyz(21.5309, 20.2120, 66.3719)
Luminance	0.2021 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#437BD6 #D69E43

analogous

#43C4D6 #437BD6 #5543D6

triadic

#437BD6 #D6437B #7BD643

tetradic

#437BD6 #D643C4 #D69E43 #43D655

square

#437BD6 #D643C4 #D69E43 #43D655

split-complementary

#437BD6 #D65543 #C4D643

monochromatic

#1C4382 #275DB4 #437BD6 #759EE1 #A7C2EC

Accessibility & contrast

On white

4.16

#437BD6 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.04

#437BD6 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #437BD6

5.04:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##437BD6	#FFFFFF	#000000	##000000
##437BD6	1.00	4.16	5.04	5.04
#FFFFFF	4.16	1.00	21.00	21.00
#000000	5.04	21.00	1.00	1.00
##000000	5.04	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5084DA

Deuteranopia (green-blind)

#3776D4

Tritanopia (blue-blind)

#00909E

Achromatopsia (no color)

#7C7C7C

Design tokens & code

CSS

--color: #437bd6;
/* rgb */ color: rgb(67, 123, 214);
/* oklch */ color: oklch(59.0% 0.152 259.6);

Tailwind

colors: {
  custom: {
    50: '#87a0e3',
    500: '#437bd6',
    950: '#000000',
  },
}

SCSS

$custom: #437bd6;
$custom-light: #87a0e3;
$custom-dark: #000000;

JSON

{
  "hex": "#437bd6",
  "rgb": {
    "r": 67,
    "g": 123,
    "b": 214
  },
  "hsl": {
    "h": 217.143,
    "s": 64.192,
    "l": 55.098
  },
  "oklch": {
    "l": 0.59031,
    "c": 0.1516,
    "h": 259.6
  },
  "luminance": 0.20214
}

Semantic roles & 50–950 ramp

primary

#437BD6

secondary

#D9C29C

accent

#A841E7

background

#F8F9FD

surface

#F0F2FB

border

#CBCCD4

text

#0D0E15

muted

#7D7E83

Preview Lab

Preview with #437BD6

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

Preview Lab → · Contrast checker → · Palette generator →