#4781E1#4781E1

#4781E1 is a mid, vivid blue. Relative luminance 0.225; OKLCH L 61.2% C 0.158 H 259.9°. Best body text is #000000 at 5.50:1 contrast (WCAG AA passes).

Color values

HEX	#4781E1
RGB	rgb(71, 129, 225)
HSL	hsl(217, 72%, 58%)
HSV	hsv(217, 68%, 88%)
CMYK	cmyk(68.4%, 42.7%, 0%, 11.8%)
CIE-LAB	lab(54.53, 12.19, -54.47)
CIE-LCH	lch(54.53, 55.82, 282.61°)
OKLab	oklab(61.17% -0.0277 -0.1556)
OKLCH	oklch(61.17% 0.158 259.9)
XYZ	xyz(24.0345, 22.4739, 74.2908)
Luminance	0.2248 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4781E1 #E1A747

analogous

#47CEE1 #4781E1 #5A47E1

triadic

#4781E1 #E14781 #81E147

tetradic

#4781E1 #E147CE #E1A747 #47E15A

square

#4781E1 #E147CE #E1A747 #47E15A

split-complementary

#4781E1 #E15A47 #CEE147

monochromatic

#184795 #2161CA #4781E1 #7CA5EA #B0C9F2

Accessibility & contrast

On white

3.82

#4781E1 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.50

#4781E1 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4781E1

5.50:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4781E1	#FFFFFF	#000000	##000000
##4781E1	1.00	3.82	5.50	5.50
#FFFFFF	3.82	1.00	21.00	21.00
#000000	5.50	21.00	1.00	1.00
##000000	5.50	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#538AE5

Deuteranopia (green-blind)

#397CDF

Tritanopia (blue-blind)

#0097A6

Achromatopsia (no color)

#828282

Design tokens & code

CSS

--color: #4781e1;
/* rgb */ color: rgb(71, 129, 225);
/* oklch */ color: oklch(61.2% 0.158 259.9);

Tailwind

colors: {
  custom: {
    50: '#8ba5eb',
    500: '#4781e1',
    950: '#000000',
  },
}

SCSS

$custom: #4781e1;
$custom-light: #8ba5eb;
$custom-dark: #000000;

JSON

{
  "hex": "#4781e1",
  "rgb": {
    "r": 71,
    "g": 129,
    "b": 225
  },
  "hsl": {
    "h": 217.403,
    "s": 71.963,
    "l": 58.039
  },
  "oklch": {
    "l": 0.61172,
    "c": 0.15808,
    "h": 259.9
  },
  "luminance": 0.22476
}

Semantic roles & 50–950 ramp

primary

#4781E1

secondary

#E1C9A3

accent

#AA39EF

background

#F9FAFE

surface

#F1F4FD

border

#CBCED5

text

#0D0F16

muted

#7E7F84

Preview Lab

Preview with #4781E1

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

Preview Lab → · Contrast checker → · Palette generator →