#437CEA#437CEA

#437CEA is a mid, vivid blue. Relative luminance 0.215; OKLCH L 60.5% C 0.177 H 262.0°. Best body text is #000000 at 5.31:1 contrast (WCAG AA passes).

Color values

HEX	#437CEA
RGB	rgb(67, 124, 234)
HSL	hsl(220, 80%, 59%)
HSV	hsv(220, 71%, 92%)
CMYK	cmyk(71.4%, 47%, 0%, 8.2%)
CIE-LAB	lab(53.54, 17.89, -61.10)
CIE-LCH	lch(53.54, 63.66, 286.32°)
OKLab	oklab(60.54% -0.0247 -0.1752)
OKLCH	oklch(60.54% 0.177 262)
XYZ	xyz(24.3684, 21.5465, 80.7006)
Luminance	0.2155 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#437CEA #EAB143

analogous

#43D0EA #437CEA #5E43EA

triadic

#437CEA #EA437C #7CEA43

tetradic

#437CEA #EA43D0 #EAB143 #43EA5E

square

#437CEA #EA43D0 #EAB143 #43EA5E

split-complementary

#437CEA #EA5E43 #D0EA43

monochromatic

#1243A1 #1859D8 #437CEA #7AA2F0 #B1C9F6

Accessibility & contrast

On white

3.95

#437CEA on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.31

#437CEA on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #437CEA

5.31:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##437CEA	#FFFFFF	#000000	##000000
##437CEA	1.00	3.95	5.31	5.31
#FFFFFF	3.95	1.00	21.00	21.00
#000000	5.31	21.00	1.00	1.00
##000000	5.31	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#4188EE

Deuteranopia (green-blind)

#1379E8

Tritanopia (blue-blind)

#0096A8

Achromatopsia (no color)

#808080

Design tokens & code

CSS

--color: #437cea;
/* rgb */ color: rgb(67, 124, 234);
/* oklch */ color: oklch(60.5% 0.177 262.0);

Tailwind

colors: {
  custom: {
    50: '#8ba1f1',
    500: '#437cea',
    950: '#000000',
  },
}

SCSS

$custom: #437cea;
$custom-light: #8ba1f1;
$custom-dark: #000000;

JSON

{
  "hex": "#437cea",
  "rgb": {
    "r": 67,
    "g": 124,
    "b": 234
  },
  "hsl": {
    "h": 219.521,
    "s": 79.904,
    "l": 59.02
  },
  "oklch": {
    "l": 0.60544,
    "c": 0.17699,
    "h": 262
  },
  "luminance": 0.21549
}

Semantic roles & 50–950 ramp

primary

#437CEA

secondary

#E5CFA4

accent

#B331F6

background

#F9F9FE

surface

#F2F2FD

border

#CCCCD5

text

#0D0E17

muted

#7E7E85

Preview Lab

Preview with #437CEA

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

Preview Lab → · Contrast checker → · Palette generator →