#4C78DA#4C78DA

#4C78DA is a mid, vivid blue. Relative luminance 0.200; OKLCH L 59.1% C 0.157 H 264.0°. Best body text is #000000 at 5.01:1 contrast (WCAG AA passes).

Color values

HEX	#4C78DA
RGB	rgb(76, 120, 218)
HSL	hsl(221, 66%, 58%)
HSV	hsv(221, 65%, 85%)
CMYK	cmyk(65.1%, 45%, 0%, 14.5%)
CIE-LAB	lab(51.87, 16.06, -54.77)
CIE-LCH	lch(51.87, 57.08, 286.34°)
OKLab	oklab(59.05% -0.0164 -0.1566)
OKLCH	oklch(59.05% 0.157 264)
XYZ	xyz(22.3474, 20.0293, 69.0044)
Luminance	0.2003 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4C78DA #DAAE4C

analogous

#4CBFDA #4C78DA #674CDA

triadic

#4C78DA #DA4C78 #78DA4C

tetradic

#4C78DA #DA4CBF #DAAE4C #4CDA67

square

#4C78DA #DA4CBF #DAAE4C #4CDA67

split-complementary

#4C78DA #DA674C #BFDA4C

monochromatic

#1D408E #2857C1 #4C78DA #7F9EE4 #B1C5EF

Accessibility & contrast

On white

4.19

#4C78DA on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.01

#4C78DA on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4C78DA

5.01:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4C78DA	#FFFFFF	#000000	##000000
##4C78DA	1.00	4.19	5.01	5.01
#FFFFFF	4.19	1.00	21.00	21.00
#000000	5.01	21.00	1.00	1.00
##000000	5.01	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#4883DE

Deuteranopia (green-blind)

#2F76D8

Tritanopia (blue-blind)

#008F9E

Achromatopsia (no color)

#7C7C7C

Design tokens & code

CSS

--color: #4c78da;
/* rgb */ color: rgb(76, 120, 218);
/* oklch */ color: oklch(59.1% 0.157 264.0);

Tailwind

colors: {
  custom: {
    50: '#8c9ee6',
    500: '#4c78da',
    950: '#000000',
  },
}

SCSS

$custom: #4c78da;
$custom-light: #8c9ee6;
$custom-dark: #000000;

JSON

{
  "hex": "#4c78da",
  "rgb": {
    "r": 76,
    "g": 120,
    "b": 218
  },
  "hsl": {
    "h": 221.408,
    "s": 65.741,
    "l": 57.647
  },
  "oklch": {
    "l": 0.59054,
    "c": 0.15743,
    "h": 264
  },
  "luminance": 0.20031
}

Semantic roles & 50–950 ramp

primary

#4C78DA

secondary

#DDCCA4

accent

#B43FE9

background

#F9F9FE

surface

#F1F2FC

border

#CBCCD5

text

#0D0E16

muted

#7E7E84

Preview Lab

Preview with #4C78DA

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

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