#4079BC#4079BC

#4079BC is a mid, vivid cyan. Relative luminance 0.184; OKLCH L 56.9% C 0.120 H 253.9°. Best body text is #000000 at 4.68:1 contrast (WCAG AA passes).

Color values

HEX	#4079BC
RGB	rgb(64, 121, 188)
HSL	hsl(212, 49%, 49%)
HSV	hsv(212, 66%, 74%)
CMYK	cmyk(66%, 35.6%, 0%, 26.3%)
CIE-LAB	lab(49.97, 2.91, -40.73)
CIE-LCH	lch(49.97, 40.83, 274.09°)
OKLab	oklab(56.9% -0.0334 -0.1156)
OKLCH	oklch(56.9% 0.12 253.9)
XYZ	xyz(18.0255, 18.3938, 50.1676)
Luminance	0.1840 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4079BC #BC8340

analogous

#40B7BC #4079BC #4540BC

triadic

#4079BC #BC4079 #79BC40

tetradic

#4079BC #BC40B7 #BC8340 #40BC45

square

#4079BC #BC40B7 #BC8340 #40BC45

split-complementary

#4079BC #BC4540 #B7BC40

monochromatic

#213E61 #305C8E #4079BC #6C99CD #9AB9DD

Accessibility & contrast

On white

4.49

#4079BC on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.68

#4079BC on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4079BC

4.68:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4079BC	#FFFFFF	#000000	##000000
##4079BC	1.00	4.49	4.68	4.68
#FFFFFF	4.49	1.00	21.00	21.00
#000000	4.68	21.00	1.00	1.00
##000000	4.68	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5C7DBF

Deuteranopia (green-blind)

#4A72BB

Tritanopia (blue-blind)

#008991

Achromatopsia (no color)

#777777

Design tokens & code

CSS

--color: #4079bc;
/* rgb */ color: rgb(64, 121, 188);
/* oklch */ color: oklch(56.9% 0.120 253.9);

Tailwind

colors: {
  custom: {
    50: '#819fd0',
    500: '#4079bc',
    950: '#000000',
  },
}

SCSS

$custom: #4079bc;
$custom-light: #819fd0;
$custom-dark: #000000;

JSON

{
  "hex": "#4079bc",
  "rgb": {
    "r": 64,
    "g": 121,
    "b": 188
  },
  "hsl": {
    "h": 212.419,
    "s": 49.206,
    "l": 49.412
  },
  "oklch": {
    "l": 0.569,
    "c": 0.12031,
    "h": 253.9
  },
  "luminance": 0.18396
}

Semantic roles & 50–950 ramp

primary

#4079BC

secondary

#C9AE8F

accent

#994FD9

background

#F8F9FC

surface

#F0F2F9

border

#CBCCD2

text

#0B0E14

muted

#7C7E82

Preview Lab

Preview with #4079BC

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

Preview Lab → · Contrast checker → · Palette generator →