#4377CE#4377CE

#4377CE is a mid, vivid blue. Relative luminance 0.188; OKLCH L 57.7% C 0.145 H 260.1°. Best body text is #000000 at 4.77:1 contrast (WCAG AA passes).

Color values

HEX	#4377CE
RGB	rgb(67, 119, 206)
HSL	hsl(218, 59%, 54%)
HSV	hsv(218, 67%, 81%)
CMYK	cmyk(67.5%, 42.2%, 0%, 19.2%)
CIE-LAB	lab(50.50, 10.99, -50.18)
CIE-LCH	lch(50.50, 51.37, 282.36°)
OKLab	oklab(57.67% -0.025 -0.1432)
OKLCH	oklch(57.67% 0.145 260.1)
XYZ	xyz(20.0482, 18.8412, 60.9607)
Luminance	0.1884 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4377CE #CE9A43

analogous

#43BCCE #4377CE #5443CE

triadic

#4377CE #CE4377 #77CE43

tetradic

#4377CE #CE43BC #CE9A43 #43CE54

square

#4377CE #CE43BC #CE9A43 #43CE54

split-complementary

#4377CE #CE5443 #BCCE43

monochromatic

#1F4077 #2C5AA8 #4377CE #749ADB #A4BDE7

Accessibility & contrast

On white

4.40

#4377CE on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.77

#4377CE on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4377CE

4.77:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4377CE	#FFFFFF	#000000	##000000
##4377CE	1.00	4.40	4.77	4.77
#FFFFFF	4.40	1.00	21.00	21.00
#000000	4.77	21.00	1.00	1.00
##000000	4.77	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#4E7FD1

Deuteranopia (green-blind)

#3772CC

Tritanopia (blue-blind)

#008B98

Achromatopsia (no color)

#787878

Design tokens & code

CSS

--color: #4377ce;
/* rgb */ color: rgb(67, 119, 206);
/* oklch */ color: oklch(57.7% 0.145 260.1);

Tailwind

colors: {
  custom: {
    50: '#869ddd',
    500: '#4377ce',
    950: '#000000',
  },
}

SCSS

$custom: #4377ce;
$custom-light: #869ddd;
$custom-dark: #000000;

JSON

{
  "hex": "#4377ce",
  "rgb": {
    "r": 67,
    "g": 119,
    "b": 206
  },
  "hsl": {
    "h": 217.554,
    "s": 58.65,
    "l": 53.529
  },
  "oklch": {
    "l": 0.57665,
    "c": 0.14542,
    "h": 260.1
  },
  "luminance": 0.18843
}

Semantic roles & 50–950 ramp

primary

#4377CE

secondary

#D4BE99

accent

#A846E2

background

#F8F9FD

surface

#F0F2FB

border

#CBCCD4

text

#0C0E15

muted

#7D7E83

Preview Lab

Preview with #4377CE

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

Preview Lab → · Contrast checker → · Palette generator →