#4B81D9#4B81D9

#4B81D9 is a mid, vivid blue. Relative luminance 0.222; OKLCH L 60.9% C 0.146 H 259.7°. Best body text is #000000 at 5.44:1 contrast (WCAG AA passes).

Color values

HEX	#4B81D9
RGB	rgb(75, 129, 217)
HSL	hsl(217, 65%, 57%)
HSV	hsv(217, 65%, 85%)
CMYK	cmyk(65.4%, 40.6%, 0%, 14.9%)
CIE-LAB	lab(54.24, 10.03, -50.42)
CIE-LCH	lch(54.24, 51.41, 281.25°)
OKLab	oklab(60.85% -0.0261 -0.1437)
OKLCH	oklch(60.85% 0.146 259.7)
XYZ	xyz(23.2718, 22.2039, 68.6915)
Luminance	0.2221 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4B81D9 #D9A34B

analogous

#4BC8D9 #4B81D9 #5C4BD9

triadic

#4B81D9 #D94B81 #81D94B

tetradic

#4B81D9 #D94BC8 #D9A34B #4BD95C

square

#4B81D9 #D94BC8 #D9A34B #4BD95C

split-complementary

#4B81D9 #D95C4B #C8D94B

monochromatic

#1E488C #2861BF #4B81D9 #7EA4E4 #B0C8EE

Accessibility & contrast

On white

3.86

#4B81D9 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.44

#4B81D9 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4B81D9

5.44:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4B81D9	#FFFFFF	#000000	##000000
##4B81D9	1.00	3.86	5.44	5.44
#FFFFFF	3.86	1.00	21.00	21.00
#000000	5.44	21.00	1.00	1.00
##000000	5.44	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5989DC

Deuteranopia (green-blind)

#437CD7

Tritanopia (blue-blind)

#0095A2

Achromatopsia (no color)

#828282

Design tokens & code

CSS

--color: #4b81d9;
/* rgb */ color: rgb(75, 129, 217);
/* oklch */ color: oklch(60.9% 0.146 259.7);

Tailwind

colors: {
  custom: {
    50: '#8ba5e5',
    500: '#4b81d9',
    950: '#000000',
  },
}

SCSS

$custom: #4b81d9;
$custom-light: #8ba5e5;
$custom-dark: #000000;

JSON

{
  "hex": "#4b81d9",
  "rgb": {
    "r": 75,
    "g": 129,
    "b": 217
  },
  "hsl": {
    "h": 217.183,
    "s": 65.138,
    "l": 57.255
  },
  "oklch": {
    "l": 0.60853,
    "c": 0.14604,
    "h": 259.7
  },
  "luminance": 0.22206
}

Semantic roles & 50–950 ramp

primary

#4B81D9

secondary

#DDC7A3

accent

#A840E8

background

#F9FAFE

surface

#F1F4FC

border

#CBCED5

text

#0D0F16

muted

#7E7F84

Preview Lab

Preview with #4B81D9

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

Preview Lab → · Contrast checker → · Palette generator →