#4B81DC#4B81DC

#4B81DC is a mid, vivid blue. Relative luminance 0.224; OKLCH L 61.0% C 0.150 H 260.2°. Best body text is #000000 at 5.47:1 contrast (WCAG AA passes).

Color values

HEX	#4B81DC
RGB	rgb(75, 129, 220)
HSL	hsl(218, 67%, 58%)
HSV	hsv(218, 66%, 86%)
CMYK	cmyk(65.9%, 41.4%, 0%, 13.7%)
CIE-LAB	lab(54.41, 11.07, -51.85)
CIE-LCH	lch(54.41, 53.02, 282.05°)
OKLab	oklab(61.04% -0.0255 -0.1479)
OKLCH	oklch(61.04% 0.15 260.2)
XYZ	xyz(23.6656, 22.3614, 70.7653)
Luminance	0.2236 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4B81DC #DCA64B

analogous

#4BCADC #4B81DC #5D4BDC

triadic

#4B81DC #DC4B81 #81DC4B

tetradic

#4B81DC #DC4BCA #DCA64B #4BDC5D

square

#4B81DC #DC4BCA #DCA64B #4BDC5D

split-complementary

#4B81DC #DC5D4B #CADC4B

monochromatic

#1C4791 #2661C4 #4B81DC #7EA5E6 #B1C9F0

Accessibility & contrast

On white

3.84

#4B81DC on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.47

#4B81DC on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4B81DC

5.47:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4B81DC	#FFFFFF	#000000	##000000
##4B81DC	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)

#5789E0

Deuteranopia (green-blind)

#407CDA

Tritanopia (blue-blind)

#0096A4

Achromatopsia (no color)

#828282

Design tokens & code

CSS

--color: #4b81dc;
/* rgb */ color: rgb(75, 129, 220);
/* oklch */ color: oklch(61.0% 0.150 260.2);

Tailwind

colors: {
  custom: {
    50: '#8ca5e7',
    500: '#4b81dc',
    950: '#000000',
  },
}

SCSS

$custom: #4b81dc;
$custom-light: #8ca5e7;
$custom-dark: #000000;

JSON

{
  "hex": "#4b81dc",
  "rgb": {
    "r": 75,
    "g": 129,
    "b": 220
  },
  "hsl": {
    "h": 217.655,
    "s": 67.442,
    "l": 57.843
  },
  "oklch": {
    "l": 0.61035,
    "c": 0.15005,
    "h": 260.2
  },
  "luminance": 0.22364
}

Semantic roles & 50–950 ramp

primary

#4B81DC

secondary

#DEC9A4

accent

#AA3DEA

background

#F9FAFE

surface

#F1F4FC

border

#CBCED5

text

#0D0F16

muted

#7E7F84

Preview Lab

Preview with #4B81DC

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

Preview Lab → · Contrast checker → · Palette generator →