#4D54CB#4D54CB

#4D54CB is a mid, vivid blue. Relative luminance 0.122; OKLCH L 51.0% C 0.181 H 275.4°. Best body text is #FFFFFF at 6.09:1 contrast (WCAG AA passes).

Color values

HEX	#4D54CB
RGB	rgb(77, 84, 203)
HSL	hsl(237, 55%, 55%)
HSV	hsv(237, 62%, 80%)
CMYK	cmyk(62.1%, 58.6%, 0%, 20.4%)
CIE-LAB	lab(41.58, 33.57, -62.81)
CIE-LCH	lch(41.58, 71.22, 298.12°)
OKLab	oklab(50.98% 0.0169 -0.1806)
OKLCH	oklch(50.98% 0.181 275.4)
XYZ	xyz(17.0069, 12.2288, 57.9525)
Luminance	0.1223 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4D54CB #CBC44D

analogous

#4D93CB #4D54CB #854DCB

triadic

#4D54CB #CB4D54 #54CB4D

tetradic

#4D54CB #CB4D93 #CBC44D #4DCB85

square

#4D54CB #CB4D93 #CBC44D #4DCB85

split-complementary

#4D54CB #CB854D #93CB4D

monochromatic

#24287A #3138A9 #4D54CB #7C82D9 #ACAFE7

Accessibility & contrast

On white

6.09

#4D54CB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.45

#4D54CB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4D54CB

6.09:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4D54CB	#FFFFFF	#000000	##FFFFFF
##4D54CB	1.00	6.09	3.45	6.09
#FFFFFF	6.09	1.00	21.00	1.00
#000000	3.45	21.00	1.00	21.00
##FFFFFF	6.09	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0068CF

Deuteranopia (green-blind)

#005DC9

Tritanopia (blue-blind)

#007187

Achromatopsia (no color)

#626262

Design tokens & code

CSS

--color: #4d54cb;
/* rgb */ color: rgb(77, 84, 203);
/* oklch */ color: oklch(51.0% 0.181 275.4);

Tailwind

colors: {
  custom: {
    50: '#8b84dc',
    500: '#4d54cb',
    950: '#000000',
  },
}

SCSS

$custom: #4d54cb;
$custom-light: #8b84dc;
$custom-dark: #000000;

JSON

{
  "hex": "#4d54cb",
  "rgb": {
    "r": 77,
    "g": 84,
    "b": 203
  },
  "hsl": {
    "h": 236.667,
    "s": 54.783,
    "l": 54.902
  },
  "oklch": {
    "l": 0.50976,
    "c": 0.18143,
    "h": 275.4
  },
  "luminance": 0.1223
}

Semantic roles & 50–950 ramp

primary

#4D54CB

secondary

#D4D19F

accent

#D64ADE

background

#F9F8FD

surface

#F1EFFB

border

#CBCAD4

text

#0D0B15

muted

#7E7C83

Preview Lab

Preview with #4D54CB

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

Preview Lab → · Contrast checker → · Palette generator →