#437BCE#437BCE

#437BCE is a mid, vivid blue. Relative luminance 0.198; OKLCH L 58.5% C 0.141 H 258.2°. Best body text is #000000 at 4.96:1 contrast (WCAG AA passes).

Color values

HEX	#437BCE
RGB	rgb(67, 123, 206)
HSL	hsl(216, 59%, 54%)
HSV	hsv(216, 67%, 81%)
CMYK	cmyk(67.5%, 40.3%, 0%, 19.2%)
CIE-LAB	lab(51.63, 8.53, -48.39)
CIE-LCH	lch(51.63, 49.14, 280.00°)
OKLab	oklab(58.54% -0.0289 -0.1379)
OKLCH	oklch(58.54% 0.141 258.2)
XYZ	xyz(20.5343, 19.8134, 61.1227)
Luminance	0.1981 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#437BCE #CE9643

analogous

#43C1CE #437BCE #5043CE

triadic

#437BCE #CE437B #7BCE43

tetradic

#437BCE #CE43C1 #CE9643 #43CE50

square

#437BCE #CE43C1 #CE9643 #43CE50

split-complementary

#437BCE #CE5043 #C1CE43

monochromatic

#1F4377 #2C5EA8 #437BCE #749DDB #A4BFE7

Accessibility & contrast

On white

4.23

#437BCE on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.96

#437BCE on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #437BCE

4.96:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##437BCE	#FFFFFF	#000000	##000000
##437BCE	1.00	4.23	4.96	4.96
#FFFFFF	4.23	1.00	21.00	21.00
#000000	4.96	21.00	1.00	1.00
##000000	4.96	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5582D1

Deuteranopia (green-blind)

#3F75CC

Tritanopia (blue-blind)

#008E9A

Achromatopsia (no color)

#7B7B7B

Design tokens & code

CSS

--color: #437bce;
/* rgb */ color: rgb(67, 123, 206);
/* oklch */ color: oklch(58.5% 0.141 258.2);

Tailwind

colors: {
  custom: {
    50: '#86a0dd',
    500: '#437bce',
    950: '#000000',
  },
}

SCSS

$custom: #437bce;
$custom-light: #86a0dd;
$custom-dark: #000000;

JSON

{
  "hex": "#437bce",
  "rgb": {
    "r": 67,
    "g": 123,
    "b": 206
  },
  "hsl": {
    "h": 215.827,
    "s": 58.65,
    "l": 53.529
  },
  "oklch": {
    "l": 0.58536,
    "c": 0.14092,
    "h": 258.2
  },
  "luminance": 0.19815
}

Semantic roles & 50–950 ramp

primary

#437BCE

secondary

#D4BC99

accent

#A346E2

background

#F8F9FD

surface

#F0F2FB

border

#CBCCD4

text

#0C0E15

muted

#7D7E83

Preview Lab

Preview with #437BCE

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

Preview Lab → · Contrast checker → · Palette generator →