#4079D1#4079D1

#4079D1 is a mid, vivid blue. Relative luminance 0.194; OKLCH L 58.2% C 0.148 H 258.9°. Best body text is #000000 at 4.87:1 contrast (WCAG AA passes).

Color values

HEX	#4079D1
RGB	rgb(64, 121, 209)
HSL	hsl(216, 61%, 54%)
HSV	hsv(216, 69%, 82%)
CMYK	cmyk(69.4%, 42.1%, 0%, 18%)
CIE-LAB	lab(51.11, 10.36, -50.92)
CIE-LCH	lch(51.11, 51.96, 281.50°)
OKLab	oklab(58.16% -0.0286 -0.1454)
OKLCH	oklch(58.16% 0.148 258.9)
XYZ	xyz(20.4562, 19.3660, 62.9692)
Luminance	0.1937 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4079D1 #D19840

analogous

#40C1D1 #4079D1 #4F40D1

triadic

#4079D1 #D14079 #79D140

tetradic

#4079D1 #D140C1 #D19840 #40D14F

square

#4079D1 #D140C1 #D19840 #40D14F

split-complementary

#4079D1 #D14F40 #C1D140

monochromatic

#1D4179 #295CAB #4079D1 #719CDD #A3BEE9

Accessibility & contrast

On white

4.31

#4079D1 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.87

#4079D1 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4079D1

4.87:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4079D1	#FFFFFF	#000000	##000000
##4079D1	1.00	4.31	4.87	4.87
#FFFFFF	4.31	1.00	21.00	21.00
#000000	4.87	21.00	1.00	1.00
##000000	4.87	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#4F81D4

Deuteranopia (green-blind)

#3774CF

Tritanopia (blue-blind)

#008D9B

Achromatopsia (no color)

#7A7A7A

Design tokens & code

CSS

--color: #4079d1;
/* rgb */ color: rgb(64, 121, 209);
/* oklch */ color: oklch(58.2% 0.148 258.9);

Tailwind

colors: {
  custom: {
    50: '#859fdf',
    500: '#4079d1',
    950: '#000000',
  },
}

SCSS

$custom: #4079d1;
$custom-light: #859fdf;
$custom-dark: #000000;

JSON

{
  "hex": "#4079d1",
  "rgb": {
    "r": 64,
    "g": 121,
    "b": 209
  },
  "hsl": {
    "h": 216.414,
    "s": 61.181,
    "l": 53.529
  },
  "oklch": {
    "l": 0.5816,
    "c": 0.14822,
    "h": 258.9
  },
  "luminance": 0.19368
}

Semantic roles & 50–950 ramp

primary

#4079D1

secondary

#D5BD97

accent

#A544E4

background

#F8F9FD

surface

#F0F2FB

border

#CBCCD4

text

#0C0E15

muted

#7D7E83

Preview Lab

Preview with #4079D1

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

Preview Lab → · Contrast checker → · Palette generator →