#437EE2#437EE2

#437EE2 is a mid, vivid blue. Relative luminance 0.216; OKLCH L 60.4% C 0.164 H 260.3°. Best body text is #000000 at 5.32:1 contrast (WCAG AA passes).

Color values

HEX	#437EE2
RGB	rgb(67, 126, 226)
HSL	hsl(218, 73%, 57%)
HSV	hsv(218, 70%, 89%)
CMYK	cmyk(70.4%, 44.2%, 0%, 11.4%)
CIE-LAB	lab(53.60, 13.79, -56.52)
CIE-LCH	lch(53.60, 58.18, 283.72°)
OKLab	oklab(60.44% -0.0277 -0.1618)
OKLCH	oklch(60.44% 0.164 260.3)
XYZ	xyz(23.4981, 21.6035, 74.8683)
Luminance	0.2161 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#437EE2 #E2A743

analogous

#43CDE2 #437EE2 #5843E2

triadic

#437EE2 #E2437E #7EE243

tetradic

#437EE2 #E243CD #E2A743 #43E258

square

#437EE2 #E243CD #E2A743 #43E258

split-complementary

#437EE2 #E25843 #CDE243

monochromatic

#174594 #1F5EC9 #437EE2 #78A2EA #ADC7F2

Accessibility & contrast

On white

3.95

#437EE2 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.32

#437EE2 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #437EE2

5.32:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##437EE2	#FFFFFF	#000000	##000000
##437EE2	1.00	3.95	5.32	5.32
#FFFFFF	3.95	1.00	21.00	21.00
#000000	5.32	21.00	1.00	1.00
##000000	5.32	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#4C88E6

Deuteranopia (green-blind)

#2E79E0

Tritanopia (blue-blind)

#0095A5

Achromatopsia (no color)

#808080

Design tokens & code

CSS

--color: #437ee2;
/* rgb */ color: rgb(67, 126, 226);
/* oklch */ color: oklch(60.4% 0.164 260.3);

Tailwind

colors: {
  custom: {
    50: '#89a2ec',
    500: '#437ee2',
    950: '#000000',
  },
}

SCSS

$custom: #437ee2;
$custom-light: #89a2ec;
$custom-dark: #000000;

JSON

{
  "hex": "#437ee2",
  "rgb": {
    "r": 67,
    "g": 126,
    "b": 226
  },
  "hsl": {
    "h": 217.736,
    "s": 73.272,
    "l": 57.451
  },
  "oklch": {
    "l": 0.60436,
    "c": 0.16412,
    "h": 260.3
  },
  "luminance": 0.21606
}

Semantic roles & 50–950 ramp

primary

#437EE2

secondary

#E1C9A0

accent

#AC38F0

background

#F9F9FE

surface

#F1F2FD

border

#CBCCD5

text

#0D0F16

muted

#7E7E84

Preview Lab

Preview with #437EE2

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

Preview Lab → · Contrast checker → · Palette generator →