#437CE2#437CE2

#437CE2 is a mid, vivid blue. Relative luminance 0.211; OKLCH L 60.0% C 0.166 H 261.0°. Best body text is #000000 at 5.22:1 contrast (WCAG AA passes).

Color values

HEX	#437CE2
RGB	rgb(67, 124, 226)
HSL	hsl(218, 73%, 57%)
HSV	hsv(218, 70%, 89%)
CMYK	cmyk(70.4%, 45.1%, 0%, 11.4%)
CIE-LAB	lab(53.06, 15.03, -57.40)
CIE-LCH	lch(53.06, 59.33, 284.67°)
OKLab	oklab(60.01% -0.026 -0.1644)
OKLCH	oklch(60.01% 0.166 261)
XYZ	xyz(23.2449, 21.0971, 74.7839)
Luminance	0.2110 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#437CE2 #E2A943

analogous

#43CBE2 #437CE2 #5A43E2

triadic

#437CE2 #E2437C #7CE243

tetradic

#437CE2 #E243CB #E2A943 #43E25A

square

#437CE2 #E243CB #E2A943 #43E25A

split-complementary

#437CE2 #E25A43 #CBE243

monochromatic

#174494 #1F5CC9 #437CE2 #78A1EA #ADC6F2

Accessibility & contrast

On white

4.02

#437CE2 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.22

#437CE2 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #437CE2

5.22:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##437CE2	#FFFFFF	#000000	##000000
##437CE2	1.00	4.02	5.22	5.22
#FFFFFF	4.02	1.00	21.00	21.00
#000000	5.22	21.00	1.00	1.00
##000000	5.22	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#4887E6

Deuteranopia (green-blind)

#2778E0

Tritanopia (blue-blind)

#0094A4

Achromatopsia (no color)

#7F7F7F

Design tokens & code

CSS

--color: #437ce2;
/* rgb */ color: rgb(67, 124, 226);
/* oklch */ color: oklch(60.0% 0.166 261.0);

Tailwind

colors: {
  custom: {
    50: '#89a1ec',
    500: '#437ce2',
    950: '#000000',
  },
}

SCSS

$custom: #437ce2;
$custom-light: #89a1ec;
$custom-dark: #000000;

JSON

{
  "hex": "#437ce2",
  "rgb": {
    "r": 67,
    "g": 124,
    "b": 226
  },
  "hsl": {
    "h": 218.491,
    "s": 73.272,
    "l": 57.451
  },
  "oklch": {
    "l": 0.60014,
    "c": 0.16642,
    "h": 261
  },
  "luminance": 0.211
}

Semantic roles & 50–950 ramp

primary

#437CE2

secondary

#E1C9A0

accent

#AE38F0

background

#F9F9FE

surface

#F1F2FD

border

#CBCCD5

text

#0D0E16

muted

#7E7E84

Preview Lab

Preview with #437CE2

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

Preview Lab → · Contrast checker → · Palette generator →