#437ED8#437ED8

#437ED8 is a mid, vivid blue. Relative luminance 0.211; OKLCH L 59.8% C 0.151 H 258.7°. Best body text is #000000 at 5.21:1 contrast (WCAG AA passes).

Color values

HEX	#437ED8
RGB	rgb(67, 126, 216)
HSL	hsl(216, 66%, 55%)
HSV	hsv(216, 69%, 85%)
CMYK	cmyk(69%, 41.7%, 0%, 15.3%)
CIE-LAB	lab(53.03, 10.24, -51.82)
CIE-LCH	lch(53.03, 52.82, 281.17°)
OKLab	oklab(59.8% -0.0296 -0.1479)
OKLCH	oklch(59.8% 0.151 258.7)
XYZ	xyz(22.1658, 21.0706, 67.8513)
Luminance	0.2107 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#437ED8 #D89D43

analogous

#43C8D8 #437ED8 #5243D8

triadic

#437ED8 #D8437E #7ED843

tetradic

#437ED8 #D843C8 #D89D43 #43D852

square

#437ED8 #D843C8 #D89D43 #43D852

split-complementary

#437ED8 #D85243 #C8D843

monochromatic

#1C4585 #2660B8 #437ED8 #76A1E3 #A8C4ED

Accessibility & contrast

On white

4.03

#437ED8 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.21

#437ED8 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #437ED8

5.21:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##437ED8	#FFFFFF	#000000	##000000
##437ED8	1.00	4.03	5.21	5.21
#FFFFFF	4.03	1.00	21.00	21.00
#000000	5.21	21.00	1.00	1.00
##000000	5.21	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5386DC

Deuteranopia (green-blind)

#3B78D6

Tritanopia (blue-blind)

#0093A0

Achromatopsia (no color)

#7F7F7F

Design tokens & code

CSS

--color: #437ed8;
/* rgb */ color: rgb(67, 126, 216);
/* oklch */ color: oklch(59.8% 0.151 258.7);

Tailwind

colors: {
  custom: {
    50: '#87a2e4',
    500: '#437ed8',
    950: '#000000',
  },
}

SCSS

$custom: #437ed8;
$custom-light: #87a2e4;
$custom-dark: #000000;

JSON

{
  "hex": "#437ed8",
  "rgb": {
    "r": 67,
    "g": 126,
    "b": 216
  },
  "hsl": {
    "h": 216.242,
    "s": 65.639,
    "l": 55.49
  },
  "oklch": {
    "l": 0.59803,
    "c": 0.15089,
    "h": 258.7
  },
  "luminance": 0.21073
}

Semantic roles & 50–950 ramp

primary

#437ED8

secondary

#DAC29C

accent

#A63FE9

background

#F9F9FE

surface

#F1F2FC

border

#CBCCD5

text

#0D0F16

muted

#7E7E84

Preview Lab

Preview with #437ED8

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

Preview Lab → · Contrast checker → · Palette generator →