#4079D9#4079D9

#4079D9 is a mid, vivid blue. Relative luminance 0.198; OKLCH L 58.7% C 0.159 H 260.2°. Best body text is #000000 at 4.95:1 contrast (WCAG AA passes).

Color values

HEX	#4079D9
RGB	rgb(64, 121, 217)
HSL	hsl(218, 67%, 55%)
HSV	hsv(218, 71%, 85%)
CMYK	cmyk(70.5%, 44.2%, 0%, 14.9%)
CIE-LAB	lab(51.58, 13.23, -54.70)
CIE-LCH	lch(51.58, 56.28, 283.60°)
OKLab	oklab(58.67% -0.0271 -0.1565)
OKLCH	oklch(58.67% 0.159 260.2)
XYZ	xyz(21.4716, 19.7722, 68.3170)
Luminance	0.1977 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4079D9 #D9A040

analogous

#40C5D9 #4079D9 #5340D9

triadic

#4079D9 #D94079 #79D940

tetradic

#4079D9 #D940C5 #D9A040 #40D953

square

#4079D9 #D940C5 #D9A040 #40D953

split-complementary

#4079D9 #D95340 #C5D940

monochromatic

#1A4284 #245BB7 #4079D9 #739DE3 #A6C1ED

Accessibility & contrast

On white

4.24

#4079D9 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.95

#4079D9 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4079D9

4.95:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4079D9	#FFFFFF	#000000	##000000
##4079D9	1.00	4.24	4.95	4.95
#FFFFFF	4.24	1.00	21.00	21.00
#000000	4.95	21.00	1.00	1.00
##000000	4.95	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#4982DD

Deuteranopia (green-blind)

#2C74D7

Tritanopia (blue-blind)

#008F9E

Achromatopsia (no color)

#7B7B7B

Design tokens & code

CSS

--color: #4079d9;
/* rgb */ color: rgb(64, 121, 217);
/* oklch */ color: oklch(58.7% 0.159 260.2);

Tailwind

colors: {
  custom: {
    50: '#869fe5',
    500: '#4079d9',
    950: '#000000',
  },
}

SCSS

$custom: #4079d9;
$custom-light: #869fe5;
$custom-dark: #000000;

JSON

{
  "hex": "#4079d9",
  "rgb": {
    "r": 64,
    "g": 121,
    "b": 217
  },
  "hsl": {
    "h": 217.647,
    "s": 66.812,
    "l": 55.098
  },
  "oklch": {
    "l": 0.58671,
    "c": 0.15888,
    "h": 260.2
  },
  "luminance": 0.19774
}

Semantic roles & 50–950 ramp

primary

#4079D9

secondary

#DAC39A

accent

#AA3EEA

background

#F8F9FE

surface

#F0F2FC

border

#CBCCD5

text

#0D0E16

muted

#7D7E84

Preview Lab

Preview with #4079D9

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

Preview Lab → · Contrast checker → · Palette generator →