#4D81D9#4D81D9

#4D81D9 is a mid, vivid blue. Relative luminance 0.223; OKLCH L 60.9% C 0.145 H 260.3°. Best body text is #000000 at 5.46:1 contrast (WCAG AA passes).

Color values

HEX	#4D81D9
RGB	rgb(77, 129, 217)
HSL	hsl(218, 65%, 58%)
HSV	hsv(218, 65%, 85%)
CMYK	cmyk(64.5%, 40.6%, 0%, 14.9%)
CIE-LAB	lab(54.33, 10.37, -50.28)
CIE-LCH	lch(54.33, 51.34, 281.65°)
OKLab	oklab(60.94% -0.0245 -0.1432)
OKLCH	oklch(60.94% 0.145 260.3)
XYZ	xyz(23.4308, 22.2858, 68.6990)
Luminance	0.2229 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4D81D9 #D9A54D

analogous

#4DC7D9 #4D81D9 #5F4DD9

triadic

#4D81D9 #D94D81 #81D94D

tetradic

#4D81D9 #D94DC7 #D9A54D #4DD95F

square

#4D81D9 #D94DC7 #D9A54D #4DD95F

split-complementary

#4D81D9 #D95F4D #C7D94D

monochromatic

#1E488D #2961C0 #4D81D9 #7FA5E4 #B2C8EF

Accessibility & contrast

On white

3.85

#4D81D9 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.46

#4D81D9 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4D81D9

5.46:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4D81D9	#FFFFFF	#000000	##000000
##4D81D9	1.00	3.85	5.46	5.46
#FFFFFF	3.85	1.00	21.00	21.00
#000000	5.46	21.00	1.00	1.00
##000000	5.46	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5989DC

Deuteranopia (green-blind)

#447CD7

Tritanopia (blue-blind)

#0095A2

Achromatopsia (no color)

#828282

Design tokens & code

CSS

--color: #4d81d9;
/* rgb */ color: rgb(77, 129, 217);
/* oklch */ color: oklch(60.9% 0.145 260.3);

Tailwind

colors: {
  custom: {
    50: '#8ca5e5',
    500: '#4d81d9',
    950: '#000000',
  },
}

SCSS

$custom: #4d81d9;
$custom-light: #8ca5e5;
$custom-dark: #000000;

JSON

{
  "hex": "#4d81d9",
  "rgb": {
    "r": 77,
    "g": 129,
    "b": 217
  },
  "hsl": {
    "h": 217.714,
    "s": 64.815,
    "l": 57.647
  },
  "oklch": {
    "l": 0.60943,
    "c": 0.14531,
    "h": 260.3
  },
  "luminance": 0.22288
}

Semantic roles & 50–950 ramp

primary

#4D81D9

secondary

#DDC8A5

accent

#A940E8

background

#F9FAFE

surface

#F1F4FC

border

#CBCED5

text

#0D0F16

muted

#7E7F84

Preview Lab

Preview with #4D81D9

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

Preview Lab → · Contrast checker → · Palette generator →