#4377D8#4377D8

#4377D8 is a mid, vivid blue. Relative luminance 0.193; OKLCH L 58.3% C 0.159 H 261.6°. Best body text is #000000 at 4.87:1 contrast (WCAG AA passes).

Color values

HEX	#4377D8
RGB	rgb(67, 119, 216)
HSL	hsl(219, 66%, 55%)
HSV	hsv(219, 69%, 85%)
CMYK	cmyk(69%, 44.9%, 0%, 15.3%)
CIE-LAB	lab(51.09, 14.55, -54.92)
CIE-LCH	lch(51.09, 56.82, 284.84°)
OKLab	oklab(58.3% -0.0232 -0.1572)
OKLCH	oklch(58.3% 0.159 261.6)
XYZ	xyz(21.3018, 19.3426, 67.5633)
Luminance	0.1935 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4377D8 #D8A443

analogous

#43C2D8 #4377D8 #5943D8

triadic

#4377D8 #D84377 #77D843

tetradic

#4377D8 #D843C2 #D8A443 #43D859

square

#4377D8 #D843C2 #D8A443 #43D859

split-complementary

#4377D8 #D85943 #C2D843

monochromatic

#1C4085 #2659B8 #4377D8 #769CE3 #A8C0ED

Accessibility & contrast

On white

4.31

#4377D8 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.87

#4377D8 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4377D8

4.87:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4377D8	#FFFFFF	#000000	##000000
##4377D8	1.00	4.31	4.87	4.87
#FFFFFF	4.31	1.00	21.00	21.00
#000000	4.87	21.00	1.00	1.00
##000000	4.87	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#4681DC

Deuteranopia (green-blind)

#2A73D6

Tritanopia (blue-blind)

#008E9D

Achromatopsia (no color)

#7A7A7A

Design tokens & code

CSS

--color: #4377d8;
/* rgb */ color: rgb(67, 119, 216);
/* oklch */ color: oklch(58.3% 0.159 261.6);

Tailwind

colors: {
  custom: {
    50: '#889de5',
    500: '#4377d8',
    950: '#000000',
  },
}

SCSS

$custom: #4377d8;
$custom-light: #889de5;
$custom-dark: #000000;

JSON

{
  "hex": "#4377d8",
  "rgb": {
    "r": 67,
    "g": 119,
    "b": 216
  },
  "hsl": {
    "h": 219.06,
    "s": 65.639,
    "l": 55.49
  },
  "oklch": {
    "l": 0.58305,
    "c": 0.15888,
    "h": 261.6
  },
  "luminance": 0.19345
}

Semantic roles & 50–950 ramp

primary

#4377D8

secondary

#DAC59C

accent

#AD3FE9

background

#F9F9FE

surface

#F1F2FC

border

#CBCCD5

text

#0D0E16

muted

#7E7E84

Preview Lab

Preview with #4377D8

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

Preview Lab → · Contrast checker → · Palette generator →