#4D55D9#4D55D9

#4D55D9 is a mid, vivid blue. Relative luminance 0.131; OKLCH L 52.3% C 0.199 H 274.5°. Best body text is #FFFFFF at 5.81:1 contrast (WCAG AA passes).

Color values

HEX	#4D55D9
RGB	rgb(77, 85, 217)
HSL	hsl(237, 65%, 58%)
HSV	hsv(237, 65%, 85%)
CMYK	cmyk(64.5%, 60.8%, 0%, 14.9%)
CIE-LAB	lab(42.89, 37.65, -68.72)
CIE-LCH	lch(42.89, 78.36, 298.72°)
OKLab	oklab(52.28% 0.0158 -0.198)
OKLCH	oklch(52.28% 0.199 274.5)
XYZ	xyz(18.8293, 13.0829, 67.1652)
Luminance	0.1308 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4D55D9 #D9D14D

analogous

#4D9BD9 #4D55D9 #8B4DD9

triadic

#4D55D9 #D94D55 #55D94D

tetradic

#4D55D9 #D94D9B #D9D14D #4DD98B

square

#4D55D9 #D94D9B #D9D14D #4DD98B

split-complementary

#4D55D9 #D98B4D #9BD94D

monochromatic

#1E258D #2932C0 #4D55D9 #7F85E4 #B2B5EF

Accessibility & contrast

On white

5.81

#4D55D9 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.62

#4D55D9 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4D55D9

5.81:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4D55D9	#FFFFFF	#000000	##FFFFFF
##4D55D9	1.00	5.81	3.62	5.81
#FFFFFF	5.81	1.00	21.00	1.00
#000000	3.62	21.00	1.00	21.00
##FFFFFF	5.81	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#006CDD

Deuteranopia (green-blind)

#005FD6

Tritanopia (blue-blind)

#00768F

Achromatopsia (no color)

#656565

Design tokens & code

CSS

--color: #4d55d9;
/* rgb */ color: rgb(77, 85, 217);
/* oklch */ color: oklch(52.3% 0.199 274.5);

Tailwind

colors: {
  custom: {
    50: '#8e85e6',
    500: '#4d55d9',
    950: '#000000',
  },
}

SCSS

$custom: #4d55d9;
$custom-light: #8e85e6;
$custom-dark: #000000;

JSON

{
  "hex": "#4d55d9",
  "rgb": {
    "r": 77,
    "g": 85,
    "b": 217
  },
  "hsl": {
    "h": 236.571,
    "s": 64.815,
    "l": 57.647
  },
  "oklch": {
    "l": 0.5228,
    "c": 0.19863,
    "h": 274.5
  },
  "luminance": 0.13085
}

Semantic roles & 50–950 ramp

primary

#4D55D9

secondary

#DDDAA5

accent

#DE40E8

background

#F9F8FE

surface

#F2EFFC

border

#CCCAD5

text

#0E0B16

muted

#7E7C84

Preview Lab

Preview with #4D55D9

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

Preview Lab → · Contrast checker → · Palette generator →