#4E79B7#4E79B7

#4E79B7 is a mid, moderate blue. Relative luminance 0.187; OKLCH L 57.3% C 0.108 H 257.5°. Best body text is #000000 at 4.74:1 contrast (WCAG AA passes).

Color values

HEX	#4E79B7
RGB	rgb(78, 121, 183)
HSL	hsl(215, 42%, 51%)
HSV	hsv(215, 57%, 72%)
CMYK	cmyk(57.4%, 33.9%, 0%, 28.2%)
CIE-LAB	lab(50.35, 3.90, -37.21)
CIE-LCH	lch(50.35, 37.42, 275.99°)
OKLab	oklab(57.29% -0.0232 -0.1051)
OKLCH	oklch(57.29% 0.108 257.5)
XYZ	xyz(18.5235, 18.7118, 47.4262)
Luminance	0.1871 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4E79B7 #B78C4E

analogous

#4EADB7 #4E79B7 #574EB7

triadic

#4E79B7 #B74E79 #79B74E

tetradic

#4E79B7 #B74EAD #B78C4E #4EB757

square

#4E79B7 #B74EAD #B78C4E #4EB757

split-complementary

#4E79B7 #B7574E #ADB74E

monochromatic

#284063 #3A5C8E #4E79B7 #7A9AC9 #A5BBDA

Accessibility & contrast

On white

4.43

#4E79B7 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.74

#4E79B7 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4E79B7

4.74:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4E79B7	#FFFFFF	#000000	##000000
##4E79B7	1.00	4.43	4.74	4.74
#FFFFFF	4.43	1.00	21.00	21.00
#000000	4.74	21.00	1.00	1.00
##000000	4.74	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#607DBA

Deuteranopia (green-blind)

#5273B6

Tritanopia (blue-blind)

#00878F

Achromatopsia (no color)

#787878

Design tokens & code

CSS

--color: #4e79b7;
/* rgb */ color: rgb(78, 121, 183);
/* oklch */ color: oklch(57.3% 0.108 257.5);

Tailwind

colors: {
  custom: {
    50: '#879fcd',
    500: '#4e79b7',
    950: '#000000',
  },
}

SCSS

$custom: #4e79b7;
$custom-light: #879fcd;
$custom-dark: #000000;

JSON

{
  "hex": "#4e79b7",
  "rgb": {
    "r": 78,
    "g": 121,
    "b": 183
  },
  "hsl": {
    "h": 215.429,
    "s": 42.169,
    "l": 51.176
  },
  "oklch": {
    "l": 0.57285,
    "c": 0.10763,
    "h": 257.5
  },
  "luminance": 0.18713
}

Semantic roles & 50–950 ramp

primary

#4E79B7

secondary

#C8B599

accent

#9F56D2

background

#F8F9FC

surface

#F0F2F9

border

#CBCCD2

text

#0C0E13

muted

#7D7E82

Preview Lab

Preview with #4E79B7

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

Preview Lab → · Contrast checker → · Palette generator →