#437EE0#437EE0

#437EE0 is a mid, vivid blue. Relative luminance 0.215; OKLCH L 60.3% C 0.161 H 260.0°. Best body text is #000000 at 5.30:1 contrast (WCAG AA passes).

Color values

HEX	#437EE0
RGB	rgb(67, 126, 224)
HSL	hsl(217, 72%, 57%)
HSV	hsv(217, 70%, 88%)
CMYK	cmyk(70.1%, 43.7%, 0%, 12.2%)
CIE-LAB	lab(53.49, 13.08, -55.59)
CIE-LCH	lch(53.49, 57.10, 283.24°)
OKLab	oklab(60.31% -0.0281 -0.159)
OKLCH	oklch(60.31% 0.161 260)
XYZ	xyz(23.2253, 21.4944, 73.4314)
Luminance	0.2150 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#437EE0 #E0A543

analogous

#43CDE0 #437EE0 #5743E0

triadic

#437EE0 #E0437E #7EE043

tetradic

#437EE0 #E043CD #E0A543 #43E057

square

#437EE0 #E043CD #E0A543 #43E057

split-complementary

#437EE0 #E05743 #CDE043

monochromatic

#184591 #215EC5 #437EE0 #78A2E9 #ACC6F1

Accessibility & contrast

On white

3.96

#437EE0 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.30

#437EE0 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #437EE0

5.30:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##437EE0	#FFFFFF	#000000	##000000
##437EE0	1.00	3.96	5.30	5.30
#FFFFFF	3.96	1.00	21.00	21.00
#000000	5.30	21.00	1.00	1.00
##000000	5.30	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#4E88E4

Deuteranopia (green-blind)

#3179DE

Tritanopia (blue-blind)

#0095A4

Achromatopsia (no color)

#808080

Design tokens & code

CSS

--color: #437ee0;
/* rgb */ color: rgb(67, 126, 224);
/* oklch */ color: oklch(60.3% 0.161 260.0);

Tailwind

colors: {
  custom: {
    50: '#89a2ea',
    500: '#437ee0',
    950: '#000000',
  },
}

SCSS

$custom: #437ee0;
$custom-light: #89a2ea;
$custom-dark: #000000;

JSON

{
  "hex": "#437ee0",
  "rgb": {
    "r": 67,
    "g": 126,
    "b": 224
  },
  "hsl": {
    "h": 217.452,
    "s": 71.689,
    "l": 57.059
  },
  "oklch": {
    "l": 0.60307,
    "c": 0.16148,
    "h": 260
  },
  "luminance": 0.21497
}

Semantic roles & 50–950 ramp

primary

#437EE0

secondary

#DFC79F

accent

#AA39EE

background

#F9F9FE

surface

#F1F2FD

border

#CBCCD5

text

#0D0F16

muted

#7E7E84

Preview Lab

Preview with #437EE0

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

Preview Lab → · Contrast checker → · Palette generator →