#4F78DA#4F78DA

#4F78DA is a mid, vivid blue. Relative luminance 0.202; OKLCH L 59.2% C 0.156 H 264.9°. Best body text is #000000 at 5.03:1 contrast (WCAG AA passes).

Color values

HEX	#4F78DA
RGB	rgb(79, 120, 218)
HSL	hsl(222, 65%, 58%)
HSV	hsv(222, 64%, 85%)
CMYK	cmyk(63.8%, 45%, 0%, 14.5%)
CIE-LAB	lab(52.01, 16.57, -54.54)
CIE-LCH	lch(52.01, 57.00, 286.90°)
OKLab	oklab(59.2% -0.0138 -0.1558)
OKLCH	oklch(59.2% 0.156 264.9)
XYZ	xyz(22.5914, 20.1551, 69.0158)
Luminance	0.2016 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4F78DA #DAB14F

analogous

#4FBDDA #4F78DA #6B4FDA

triadic

#4F78DA #DA4F78 #78DA4F

tetradic

#4F78DA #DA4FBD #DAB14F #4FDA6B

square

#4F78DA #DA4FBD #DAB14F #4FDA6B

split-complementary

#4F78DA #DA6B4F #BDDA4F

monochromatic

#1E4090 #2956C3 #4F78DA #829FE5 #B4C6EF

Accessibility & contrast

On white

4.17

#4F78DA on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.03

#4F78DA on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4F78DA

5.03:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4F78DA	#FFFFFF	#000000	##000000
##4F78DA	1.00	4.17	5.03	5.03
#FFFFFF	4.17	1.00	21.00	21.00
#000000	5.03	21.00	1.00	1.00
##000000	5.03	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#4983DE

Deuteranopia (green-blind)

#3176D8

Tritanopia (blue-blind)

#008E9E

Achromatopsia (no color)

#7C7C7C

Design tokens & code

CSS

--color: #4f78da;
/* rgb */ color: rgb(79, 120, 218);
/* oklch */ color: oklch(59.2% 0.156 264.9);

Tailwind

colors: {
  custom: {
    50: '#8d9ee6',
    500: '#4f78da',
    950: '#000000',
  },
}

SCSS

$custom: #4f78da;
$custom-light: #8d9ee6;
$custom-dark: #000000;

JSON

{
  "hex": "#4f78da",
  "rgb": {
    "r": 79,
    "g": 120,
    "b": 218
  },
  "hsl": {
    "h": 222.302,
    "s": 65.258,
    "l": 58.235
  },
  "oklch": {
    "l": 0.59201,
    "c": 0.15643,
    "h": 264.9
  },
  "luminance": 0.20157
}

Semantic roles & 50–950 ramp

primary

#4F78DA

secondary

#DECEA7

accent

#B640E8

background

#F9F9FE

surface

#F2F2FC

border

#CCCCD5

text

#0D0E16

muted

#7E7E84

Preview Lab

Preview with #4F78DA

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

Preview Lab → · Contrast checker → · Palette generator →