#4781DF#4781DF

#4781DF is a mid, vivid blue. Relative luminance 0.224; OKLCH L 61.0% C 0.155 H 259.6°. Best body text is #000000 at 5.47:1 contrast (WCAG AA passes).

Color values

HEX	#4781DF
RGB	rgb(71, 129, 223)
HSL	hsl(217, 70%, 58%)
HSV	hsv(217, 68%, 87%)
CMYK	cmyk(68.2%, 42.2%, 0%, 12.5%)
CIE-LAB	lab(54.41, 11.48, -53.53)
CIE-LCH	lch(54.41, 54.75, 282.11°)
OKLab	oklab(61.05% -0.028 -0.1529)
OKLCH	oklch(61.05% 0.155 259.6)
XYZ	xyz(23.7633, 22.3654, 72.8623)
Luminance	0.2237 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4781DF #DFA547

analogous

#47CDDF #4781DF #5947DF

triadic

#4781DF #DF4781 #81DF47

tetradic

#4781DF #DF47CD #DFA547 #47DF59

square

#4781DF #DF47CD #DFA547 #47DF59

split-complementary

#4781DF #DF5947 #CDDF47

monochromatic

#194892 #2261C6 #4781DF #7BA5E8 #AFC8F1

Accessibility & contrast

On white

3.84

#4781DF on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.47

#4781DF on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4781DF

5.47:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4781DF	#FFFFFF	#000000	##000000
##4781DF	1.00	3.84	5.47	5.47
#FFFFFF	3.84	1.00	21.00	21.00
#000000	5.47	21.00	1.00	1.00
##000000	5.47	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#548AE3

Deuteranopia (green-blind)

#3B7CDD

Tritanopia (blue-blind)

#0097A5

Achromatopsia (no color)

#828282

Design tokens & code

CSS

--color: #4781df;
/* rgb */ color: rgb(71, 129, 223);
/* oklch */ color: oklch(61.0% 0.155 259.6);

Tailwind

colors: {
  custom: {
    50: '#8aa5e9',
    500: '#4781df',
    950: '#000000',
  },
}

SCSS

$custom: #4781df;
$custom-light: #8aa5e9;
$custom-dark: #000000;

JSON

{
  "hex": "#4781df",
  "rgb": {
    "r": 71,
    "g": 129,
    "b": 223
  },
  "hsl": {
    "h": 217.105,
    "s": 70.37,
    "l": 57.647
  },
  "oklch": {
    "l": 0.61047,
    "c": 0.15543,
    "h": 259.6
  },
  "luminance": 0.22368
}

Semantic roles & 50–950 ramp

primary

#4781DF

secondary

#DFC8A2

accent

#A93BED

background

#F9FAFE

surface

#F1F4FD

border

#CBCED5

text

#0D0F16

muted

#7E7F84

Preview Lab

Preview with #4781DF

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

Preview Lab → · Contrast checker → · Palette generator →