#4079B3#4079B3

#4079B3 is a mid, moderate cyan. Relative luminance 0.180; OKLCH L 56.4% C 0.109 H 250.7°. Best body text is #000000 at 4.60:1 contrast (WCAG AA passes).

Color values

HEX	#4079B3
RGB	rgb(64, 121, 179)
HSL	hsl(210, 47%, 48%)
HSV	hsv(210, 64%, 70%)
CMYK	cmyk(64.2%, 32.4%, 0%, 29.8%)
CIE-LAB	lab(49.52, -0.22, -36.25)
CIE-LCH	lch(49.52, 36.25, 269.65°)
OKLab	oklab(56.4% -0.0359 -0.1025)
OKLCH	oklch(56.4% 0.109 250.7)
XYZ	xyz(17.0854, 18.0177, 45.2165)
Luminance	0.1802 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4079B3 #B37A40

analogous

#40B2B3 #4079B3 #4140B3

triadic

#4079B3 #B34079 #79B340

tetradic

#4079B3 #B340B2 #B37A40 #40B341

square

#4079B3 #B340B2 #B37A40 #40B341

split-complementary

#4079B3 #B34140 #B2B340

monochromatic

#203C59 #305B86 #4079B3 #6798C9 #94B6D9

Accessibility & contrast

On white

4.56

#4079B3 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.60

#4079B3 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4079B3

4.60:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4079B3	#FFFFFF	#000000	##000000
##4079B3	1.00	4.56	4.60	4.60
#FFFFFF	4.56	1.00	21.00	21.00
#000000	4.60	21.00	1.00	1.00
##000000	4.60	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#607CB5

Deuteranopia (green-blind)

#5071B2

Tritanopia (blue-blind)

#00878E

Achromatopsia (no color)

#767676

Design tokens & code

CSS

--color: #4079b3;
/* rgb */ color: rgb(64, 121, 179);
/* oklch */ color: oklch(56.4% 0.109 250.7);

Tailwind

colors: {
  custom: {
    50: '#809fca',
    500: '#4079b3',
    950: '#000000',
  },
}

SCSS

$custom: #4079b3;
$custom-light: #809fca;
$custom-dark: #000000;

JSON

{
  "hex": "#4079b3",
  "rgb": {
    "r": 64,
    "g": 121,
    "b": 179
  },
  "hsl": {
    "h": 210.261,
    "s": 47.325,
    "l": 47.647
  },
  "oklch": {
    "l": 0.56397,
    "c": 0.10862,
    "h": 250.7
  },
  "luminance": 0.18019
}

Semantic roles & 50–950 ramp

primary

#4079B3

secondary

#C4A88A

accent

#9451D7

background

#F8F9FC

surface

#EFF2F8

border

#CACCD1

text

#0B0E13

muted

#7C7E82

Preview Lab

Preview with #4079B3

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

Preview Lab → · Contrast checker → · Palette generator →