#437EDB#437EDB

#437EDB is a mid, vivid blue. Relative luminance 0.212; OKLCH L 60.0% C 0.155 H 259.2°. Best body text is #000000 at 5.25:1 contrast (WCAG AA passes).

Color values

HEX	#437EDB
RGB	rgb(67, 126, 219)
HSL	hsl(217, 68%, 56%)
HSV	hsv(217, 69%, 86%)
CMYK	cmyk(69.4%, 42.5%, 0%, 14.1%)
CIE-LAB	lab(53.20, 11.30, -53.24)
CIE-LCH	lch(53.20, 54.42, 281.99°)
OKLab	oklab(59.99% -0.029 -0.1521)
OKLCH	oklch(59.99% 0.155 259.2)
XYZ	xyz(22.5572, 21.2271, 69.9125)
Luminance	0.2123 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#437EDB #DBA043

analogous

#43CADB #437EDB #5443DB

triadic

#437EDB #DB437E #7EDB43

tetradic

#437EDB #DB43CA #DBA043 #43DB54

square

#437EDB #DB43CA #DBA043 #43DB54

split-complementary

#437EDB #DB5443 #CADB43

monochromatic

#1A4589 #245FBD #437EDB #76A1E5 #AAC4EF

Accessibility & contrast

On white

4.00

#437EDB on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.25

#437EDB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #437EDB

5.25:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##437EDB	#FFFFFF	#000000	##000000
##437EDB	1.00	4.00	5.25	5.25
#FFFFFF	4.00	1.00	21.00	21.00
#000000	5.25	21.00	1.00	1.00
##000000	5.25	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5187DF

Deuteranopia (green-blind)

#3779D9

Tritanopia (blue-blind)

#0094A2

Achromatopsia (no color)

#7F7F7F

Design tokens & code

CSS

--color: #437edb;
/* rgb */ color: rgb(67, 126, 219);
/* oklch */ color: oklch(60.0% 0.155 259.2);

Tailwind

colors: {
  custom: {
    50: '#88a2e7',
    500: '#437edb',
    950: '#000000',
  },
}

SCSS

$custom: #437edb;
$custom-light: #88a2e7;
$custom-dark: #000000;

JSON

{
  "hex": "#437edb",
  "rgb": {
    "r": 67,
    "g": 126,
    "b": 219
  },
  "hsl": {
    "h": 216.711,
    "s": 67.857,
    "l": 56.078
  },
  "oklch": {
    "l": 0.59991,
    "c": 0.15486,
    "h": 259.2
  },
  "luminance": 0.21229
}

Semantic roles & 50–950 ramp

primary

#437EDB

secondary

#DCC49E

accent

#A73DEB

background

#F9F9FE

surface

#F1F2FC

border

#CBCCD5

text

#0D0F16

muted

#7E7E84

Preview Lab

Preview with #437EDB

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

Preview Lab → · Contrast checker → · Palette generator →