#4978BF#4978BF

#4978BF is a mid, vivid blue. Relative luminance 0.186; OKLCH L 57.3% C 0.122 H 258.4°. Best body text is #000000 at 4.72:1 contrast (WCAG AA passes).

Color values

HEX	#4978BF
RGB	rgb(73, 120, 191)
HSL	hsl(216, 48%, 52%)
HSV	hsv(216, 62%, 75%)
CMYK	cmyk(61.8%, 37.2%, 0%, 25.1%)
CIE-LAB	lab(50.23, 6.20, -42.02)
CIE-LCH	lch(50.23, 42.48, 278.39°)
OKLab	oklab(57.26% -0.0244 -0.1192)
OKLCH	oklch(57.26% 0.122 258.4)
XYZ	xyz(18.8648, 18.6093, 51.8779)
Luminance	0.1861 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4978BF #BF9049

analogous

#49B3BF #4978BF #5549BF

triadic

#4978BF #BF4978 #78BF49

tetradic

#4978BF #BF49B3 #BF9049 #49BF55

square

#4978BF #BF49B3 #BF9049 #49BF55

split-complementary

#4978BF #BF5549 #B3BF49

monochromatic

#254069 #355C96 #4978BF #769ACF #A4BBDF

Accessibility & contrast

On white

4.45

#4978BF on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.72

#4978BF on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4978BF

4.72:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4978BF	#FFFFFF	#000000	##000000
##4978BF	1.00	4.45	4.72	4.72
#FFFFFF	4.45	1.00	21.00	21.00
#000000	4.72	21.00	1.00	1.00
##000000	4.72	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5A7EC2

Deuteranopia (green-blind)

#4972BE

Tritanopia (blue-blind)

#008892

Achromatopsia (no color)

#777777

Design tokens & code

CSS

--color: #4978bf;
/* rgb */ color: rgb(73, 120, 191);
/* oklch */ color: oklch(57.3% 0.122 258.4);

Tailwind

colors: {
  custom: {
    50: '#869ed2',
    500: '#4978bf',
    950: '#000000',
  },
}

SCSS

$custom: #4978bf;
$custom-light: #869ed2;
$custom-dark: #000000;

JSON

{
  "hex": "#4978bf",
  "rgb": {
    "r": 73,
    "g": 120,
    "b": 191
  },
  "hsl": {
    "h": 216.102,
    "s": 47.967,
    "l": 51.765
  },
  "oklch": {
    "l": 0.57258,
    "c": 0.12171,
    "h": 258.4
  },
  "luminance": 0.18611
}

Semantic roles & 50–950 ramp

primary

#4978BF

secondary

#CCB798

accent

#A250D8

background

#F8F9FC

surface

#F0F2F9

border

#CBCCD2

text

#0C0E14

muted

#7D7E82

Preview Lab

Preview with #4978BF

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

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