#4D59CB#4D59CB

#4D59CB is a mid, vivid blue. Relative luminance 0.130; OKLCH L 51.9% C 0.175 H 274.0°. Best body text is #FFFFFF at 5.82:1 contrast (WCAG AA passes).

Color values

HEX	#4D59CB
RGB	rgb(77, 89, 203)
HSL	hsl(234, 55%, 55%)
HSV	hsv(234, 62%, 80%)
CMYK	cmyk(62.1%, 56.2%, 0%, 20.4%)
CIE-LAB	lab(42.81, 30.45, -60.81)
CIE-LCH	lch(42.81, 68.00, 296.60°)
OKLab	oklab(51.9% 0.0124 -0.1747)
OKLCH	oklch(51.9% 0.175 274)
XYZ	xyz(17.4089, 13.0329, 58.0865)
Luminance	0.1303 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4D59CB #CBBF4D

analogous

#4D98CB #4D59CB #804DCB

triadic

#4D59CB #CB4D59 #59CB4D

tetradic

#4D59CB #CB4D98 #CBBF4D #4DCB80

square

#4D59CB #CB4D98 #CBBF4D #4DCB80

split-complementary

#4D59CB #CB804D #98CB4D

monochromatic

#242C7A #313DA9 #4D59CB #7C85D9 #ACB1E7

Accessibility & contrast

On white

5.82

#4D59CB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.61

#4D59CB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4D59CB

5.82:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4D59CB	#FFFFFF	#000000	##FFFFFF
##4D59CB	1.00	5.82	3.61	5.82
#FFFFFF	5.82	1.00	21.00	1.00
#000000	3.61	21.00	1.00	21.00
##FFFFFF	5.82	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#006BCF

Deuteranopia (green-blind)

#0060C9

Tritanopia (blue-blind)

#007489

Achromatopsia (no color)

#656565

Design tokens & code

CSS

--color: #4d59cb;
/* rgb */ color: rgb(77, 89, 203);
/* oklch */ color: oklch(51.9% 0.175 274.0);

Tailwind

colors: {
  custom: {
    50: '#8b87dc',
    500: '#4d59cb',
    950: '#000000',
  },
}

SCSS

$custom: #4d59cb;
$custom-light: #8b87dc;
$custom-dark: #000000;

JSON

{
  "hex": "#4d59cb",
  "rgb": {
    "r": 77,
    "g": 89,
    "b": 203
  },
  "hsl": {
    "h": 234.286,
    "s": 54.783,
    "l": 54.902
  },
  "oklch": {
    "l": 0.51895,
    "c": 0.17513,
    "h": 274
  },
  "luminance": 0.13034
}

Semantic roles & 50–950 ramp

primary

#4D59CB

secondary

#D4CF9F

accent

#D04ADE

background

#F9F8FD

surface

#F1EFFB

border

#CBCAD4

text

#0D0B15

muted

#7E7C83

Preview Lab

Preview with #4D59CB

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

Preview Lab → · Contrast checker → · Palette generator →