#4377D1#4377D1

#4377D1 is a mid, vivid blue. Relative luminance 0.190; OKLCH L 57.9% C 0.149 H 260.6°. Best body text is #000000 at 4.80:1 contrast (WCAG AA passes).

Color values

HEX	#4377D1
RGB	rgb(67, 119, 209)
HSL	hsl(218, 61%, 54%)
HSV	hsv(218, 68%, 82%)
CMYK	cmyk(67.9%, 43.1%, 0%, 18%)
CIE-LAB	lab(50.67, 12.06, -51.61)
CIE-LCH	lch(50.67, 53.00, 283.15°)
OKLab	oklab(57.85% -0.0245 -0.1474)
OKLCH	oklch(57.85% 0.149 260.6)
XYZ	xyz(20.4161, 18.9883, 62.8984)
Luminance	0.1899 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4377D1 #D19D43

analogous

#43BED1 #4377D1 #5643D1

triadic

#4377D1 #D14377 #77D143

tetradic

#4377D1 #D143BE #D19D43 #43D156

square

#4377D1 #D143BE #D19D43 #43D156

split-complementary

#4377D1 #D15643 #BED143

monochromatic

#1E407B #2A5AAD #4377D1 #749BDD #A5BEE9

Accessibility & contrast

On white

4.38

#4377D1 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.80

#4377D1 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4377D1

4.80:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4377D1	#FFFFFF	#000000	##000000
##4377D1	1.00	4.38	4.80	4.80
#FFFFFF	4.38	1.00	21.00	21.00
#000000	4.80	21.00	1.00	1.00
##000000	4.80	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#4C80D4

Deuteranopia (green-blind)

#3473CF

Tritanopia (blue-blind)

#008C9A

Achromatopsia (no color)

#797979

Design tokens & code

CSS

--color: #4377d1;
/* rgb */ color: rgb(67, 119, 209);
/* oklch */ color: oklch(57.9% 0.149 260.6);

Tailwind

colors: {
  custom: {
    50: '#869ddf',
    500: '#4377d1',
    950: '#000000',
  },
}

SCSS

$custom: #4377d1;
$custom-light: #869ddf;
$custom-dark: #000000;

JSON

{
  "hex": "#4377d1",
  "rgb": {
    "r": 67,
    "g": 119,
    "b": 209
  },
  "hsl": {
    "h": 218.028,
    "s": 60.684,
    "l": 54.118
  },
  "oklch": {
    "l": 0.57854,
    "c": 0.14947,
    "h": 260.6
  },
  "luminance": 0.1899
}

Semantic roles & 50–950 ramp

primary

#4377D1

secondary

#D6C09A

accent

#A944E4

background

#F8F9FD

surface

#F0F2FB

border

#CBCCD4

text

#0C0E15

muted

#7D7E83

Preview Lab

Preview with #4377D1

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

Preview Lab → · Contrast checker → · Palette generator →