#437EE5#437EE5

#437EE5 is a mid, vivid blue. Relative luminance 0.218; OKLCH L 60.6% C 0.168 H 260.7°. Best body text is #000000 at 5.35:1 contrast (WCAG AA passes).

Color values

HEX	#437EE5
RGB	rgb(67, 126, 229)
HSL	hsl(218, 76%, 58%)
HSV	hsv(218, 71%, 90%)
CMYK	cmyk(70.7%, 45%, 0%, 10.2%)
CIE-LAB	lab(53.78, 14.87, -57.92)
CIE-LCH	lch(53.78, 59.79, 284.40°)
OKLab	oklab(60.63% -0.0272 -0.1659)
OKLCH	oklch(60.63% 0.168 260.7)
XYZ	xyz(23.9134, 21.7696, 77.0552)
Luminance	0.2177 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#437EE5 #E5AA43

analogous

#43CFE5 #437EE5 #5943E5

triadic

#437EE5 #E5437E #7EE543

tetradic

#437EE5 #E543CF #E5AA43 #43E559

square

#437EE5 #E543CF #E5AA43 #43E559

split-complementary

#437EE5 #E55943 #CFE543

monochromatic

#154599 #1D5DCE #437EE5 #79A3EC #AFC8F4

Accessibility & contrast

On white

3.92

#437EE5 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.35

#437EE5 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #437EE5

5.35:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##437EE5	#FFFFFF	#000000	##000000
##437EE5	1.00	3.92	5.35	5.35
#FFFFFF	3.92	1.00	21.00	21.00
#000000	5.35	21.00	1.00	1.00
##000000	5.35	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#4A89E9

Deuteranopia (green-blind)

#287AE3

Tritanopia (blue-blind)

#0096A6

Achromatopsia (no color)

#818181

Design tokens & code

CSS

--color: #437ee5;
/* rgb */ color: rgb(67, 126, 229);
/* oklch */ color: oklch(60.6% 0.168 260.7);

Tailwind

colors: {
  custom: {
    50: '#8aa2ee',
    500: '#437ee5',
    950: '#000000',
  },
}

SCSS

$custom: #437ee5;
$custom-light: #8aa2ee;
$custom-dark: #000000;

JSON

{
  "hex": "#437ee5",
  "rgb": {
    "r": 67,
    "g": 126,
    "b": 229
  },
  "hsl": {
    "h": 218.148,
    "s": 75.701,
    "l": 58.039
  },
  "oklch": {
    "l": 0.6063,
    "c": 0.16808,
    "h": 260.7
  },
  "luminance": 0.21772
}

Semantic roles & 50–950 ramp

primary

#437EE5

secondary

#E2CBA2

accent

#AE36F2

background

#F9F9FE

surface

#F1F2FD

border

#CBCCD5

text

#0D0F16

muted

#7E7E84

Preview Lab

Preview with #437EE5

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

Preview Lab → · Contrast checker → · Palette generator →