#4077DD#4077DD

#4077DD is a mid, vivid blue. Relative luminance 0.195; OKLCH L 58.5% C 0.167 H 261.5°. Best body text is #000000 at 4.90:1 contrast (WCAG AA passes).

Color values

HEX	#4077DD
RGB	rgb(64, 119, 221)
HSL	hsl(219, 70%, 56%)
HSV	hsv(219, 71%, 87%)
CMYK	cmyk(71%, 46.2%, 0%, 13.3%)
CIE-LAB	lab(51.27, 15.91, -57.46)
CIE-LCH	lch(51.27, 59.62, 285.48°)
OKLab	oklab(58.51% -0.0247 -0.1647)
OKLCH	oklch(58.51% 0.167 261.5)
XYZ	xyz(21.7577, 19.5018, 71.0101)
Luminance	0.1950 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4077DD #DDA640

analogous

#40C5DD #4077DD #5740DD

triadic

#4077DD #DD4077 #77DD40

tetradic

#4077DD #DD40C5 #DDA640 #40DD57

square

#4077DD #DD40C5 #DDA640 #40DD57

split-complementary

#4077DD #DD5740 #C5DD40

monochromatic

#19408A #2259BE #4077DD #749CE6 #A8C1EF

Accessibility & contrast

On white

4.29

#4077DD on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.90

#4077DD on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4077DD

4.90:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4077DD	#FFFFFF	#000000	##000000
##4077DD	1.00	4.29	4.90	4.90
#FFFFFF	4.29	1.00	21.00	21.00
#000000	4.90	21.00	1.00	1.00
##000000	4.90	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#4282E1

Deuteranopia (green-blind)

#1E73DB

Tritanopia (blue-blind)

#008F9F

Achromatopsia (no color)

#7A7A7A

Design tokens & code

CSS

--color: #4077dd;
/* rgb */ color: rgb(64, 119, 221);
/* oklch */ color: oklch(58.5% 0.167 261.5);

Tailwind

colors: {
  custom: {
    50: '#879de8',
    500: '#4077dd',
    950: '#000000',
  },
}

SCSS

$custom: #4077dd;
$custom-light: #879de8;
$custom-dark: #000000;

JSON

{
  "hex": "#4077dd",
  "rgb": {
    "r": 64,
    "g": 119,
    "b": 221
  },
  "hsl": {
    "h": 218.981,
    "s": 69.778,
    "l": 55.882
  },
  "oklch": {
    "l": 0.5851,
    "c": 0.16653,
    "h": 261.5
  },
  "luminance": 0.19504
}

Semantic roles & 50–950 ramp

primary

#4077DD

secondary

#DDC69C

accent

#AE3BED

background

#F9F9FE

surface

#F1F2FD

border

#CBCCD5

text

#0D0E16

muted

#7E7E84

Preview Lab

Preview with #4077DD

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

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