#4783DF#4783DF

#4783DF is a mid, vivid blue. Relative luminance 0.229; OKLCH L 61.5% C 0.153 H 258.7°. Best body text is #000000 at 5.58:1 contrast (WCAG AA passes).

Color values

HEX	#4783DF
RGB	rgb(71, 131, 223)
HSL	hsl(216, 70%, 58%)
HSV	hsv(216, 68%, 87%)
CMYK	cmyk(68.2%, 41.3%, 0%, 12.5%)
CIE-LAB	lab(54.97, 10.27, -52.65)
CIE-LCH	lch(54.97, 53.64, 281.04°)
OKLab	oklab(61.48% -0.0299 -0.1502)
OKLCH	oklch(61.48% 0.153 258.7)
XYZ	xyz(24.0293, 22.8974, 72.9510)
Luminance	0.2290 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4783DF #DFA347

analogous

#47CFDF #4783DF #5747DF

triadic

#4783DF #DF4783 #83DF47

tetradic

#4783DF #DF47CF #DFA347 #47DF57

square

#4783DF #DF47CF #DFA347 #47DF57

split-complementary

#4783DF #DF5747 #CFDF47

monochromatic

#194992 #2263C6 #4783DF #7BA6E8 #AFC9F1

Accessibility & contrast

On white

3.76

#4783DF on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.58

#4783DF on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4783DF

5.58:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4783DF	#FFFFFF	#000000	##000000
##4783DF	1.00	3.76	5.58	5.58
#FFFFFF	3.76	1.00	21.00	21.00
#000000	5.58	21.00	1.00	1.00
##000000	5.58	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#588BE3

Deuteranopia (green-blind)

#3F7DDD

Tritanopia (blue-blind)

#0098A6

Achromatopsia (no color)

#848484

Design tokens & code

CSS

--color: #4783df;
/* rgb */ color: rgb(71, 131, 223);
/* oklch */ color: oklch(61.5% 0.153 258.7);

Tailwind

colors: {
  custom: {
    50: '#8aa6e9',
    500: '#4783df',
    950: '#000000',
  },
}

SCSS

$custom: #4783df;
$custom-light: #8aa6e9;
$custom-dark: #000000;

JSON

{
  "hex": "#4783df",
  "rgb": {
    "r": 71,
    "g": 131,
    "b": 223
  },
  "hsl": {
    "h": 216.316,
    "s": 70.37,
    "l": 57.647
  },
  "oklch": {
    "l": 0.61476,
    "c": 0.1532,
    "h": 258.7
  },
  "luminance": 0.229
}

Semantic roles & 50–950 ramp

primary

#4783DF

secondary

#DFC7A2

accent

#A73BED

background

#F9FAFE

surface

#F1F4FD

border

#CBCED5

text

#0D0F16

muted

#7E7F84

Preview Lab

Preview with #4783DF

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

Preview Lab → · Contrast checker → · Palette generator →