#4079CC#4079CC

#4079CC is a mid, vivid blue. Relative luminance 0.191; OKLCH L 57.9% C 0.142 H 257.9°. Best body text is #000000 at 4.82:1 contrast (WCAG AA passes).

Color values

HEX	#4079CC
RGB	rgb(64, 121, 204)
HSL	hsl(216, 58%, 53%)
HSV	hsv(216, 69%, 80%)
CMYK	cmyk(68.6%, 40.7%, 0%, 20%)
CIE-LAB	lab(50.83, 8.57, -48.53)
CIE-LCH	lch(50.83, 49.28, 280.02°)
OKLab	oklab(57.85% -0.0296 -0.1384)
OKLCH	oklch(57.85% 0.142 257.9)
XYZ	xyz(19.8469, 19.1223, 59.7601)
Luminance	0.1912 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4079CC #CC9340

analogous

#40BFCC #4079CC #4D40CC

triadic

#4079CC #CC4079 #79CC40

tetradic

#4079CC #CC40BF #CC9340 #40CC4D

square

#4079CC #CC40BF #CC9340 #40CC4D

split-complementary

#4079CC #CC4D40 #BFCC40

monochromatic

#1F4173 #2C5CA3 #4079CC #709BD9 #A1BDE6

Accessibility & contrast

On white

4.35

#4079CC on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.82

#4079CC on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4079CC

4.82:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4079CC	#FFFFFF	#000000	##000000
##4079CC	1.00	4.35	4.82	4.82
#FFFFFF	4.35	1.00	21.00	21.00
#000000	4.82	21.00	1.00	1.00
##000000	4.82	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5280CF

Deuteranopia (green-blind)

#3C73CA

Tritanopia (blue-blind)

#008C98

Achromatopsia (no color)

#797979

Design tokens & code

CSS

--color: #4079cc;
/* rgb */ color: rgb(64, 121, 204);
/* oklch */ color: oklch(57.9% 0.142 257.9);

Tailwind

colors: {
  custom: {
    50: '#849fdc',
    500: '#4079cc',
    950: '#000000',
  },
}

SCSS

$custom: #4079cc;
$custom-light: #849fdc;
$custom-dark: #000000;

JSON

{
  "hex": "#4079cc",
  "rgb": {
    "r": 64,
    "g": 121,
    "b": 204
  },
  "hsl": {
    "h": 215.571,
    "s": 57.851,
    "l": 52.549
  },
  "oklch": {
    "l": 0.5785,
    "c": 0.14154,
    "h": 257.9
  },
  "luminance": 0.19124
}

Semantic roles & 50–950 ramp

primary

#4079CC

secondary

#D2BA95

accent

#A247E1

background

#F8F9FD

surface

#F0F2FB

border

#CBCCD4

text

#0C0E15

muted

#7D7E83

Preview Lab

Preview with #4079CC

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

Preview Lab → · Contrast checker → · Palette generator →