#4D58CB#4D58CB

#4D58CB is a mid, vivid blue. Relative luminance 0.129; OKLCH L 51.7% C 0.176 H 274.3°. Best body text is #FFFFFF at 5.88:1 contrast (WCAG AA passes).

Color values

HEX	#4D58CB
RGB	rgb(77, 88, 203)
HSL	hsl(235, 55%, 55%)
HSV	hsv(235, 62%, 80%)
CMYK	cmyk(62.1%, 56.7%, 0%, 20.4%)
CIE-LAB	lab(42.56, 31.08, -61.21)
CIE-LCH	lch(42.56, 68.65, 296.92°)
OKLab	oklab(51.71% 0.0133 -0.1759)
OKLCH	oklch(51.71% 0.176 274.3)
XYZ	xyz(17.3262, 12.8676, 58.0590)
Luminance	0.1287 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4D58CB #CBC04D

analogous

#4D97CB #4D58CB #814DCB

triadic

#4D58CB #CB4D58 #58CB4D

tetradic

#4D58CB #CB4D97 #CBC04D #4DCB81

square

#4D58CB #CB4D97 #CBC04D #4DCB81

split-complementary

#4D58CB #CB814D #97CB4D

monochromatic

#242B7A #313CA9 #4D58CB #7C84D9 #ACB1E7

Accessibility & contrast

On white

5.88

#4D58CB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.57

#4D58CB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4D58CB

5.88:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4D58CB	#FFFFFF	#000000	##FFFFFF
##4D58CB	1.00	5.88	3.57	5.88
#FFFFFF	5.88	1.00	21.00	1.00
#000000	3.57	21.00	1.00	21.00
##FFFFFF	5.88	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#006ACF

Deuteranopia (green-blind)

#005FC9

Tritanopia (blue-blind)

#007489

Achromatopsia (no color)

#646464

Design tokens & code

CSS

--color: #4d58cb;
/* rgb */ color: rgb(77, 88, 203);
/* oklch */ color: oklch(51.7% 0.176 274.3);

Tailwind

colors: {
  custom: {
    50: '#8b87dc',
    500: '#4d58cb',
    950: '#000000',
  },
}

SCSS

$custom: #4d58cb;
$custom-light: #8b87dc;
$custom-dark: #000000;

JSON

{
  "hex": "#4d58cb",
  "rgb": {
    "r": 77,
    "g": 88,
    "b": 203
  },
  "hsl": {
    "h": 234.762,
    "s": 54.783,
    "l": 54.902
  },
  "oklch": {
    "l": 0.51708,
    "c": 0.17639,
    "h": 274.3
  },
  "luminance": 0.12869
}

Semantic roles & 50–950 ramp

primary

#4D58CB

secondary

#D4D09F

accent

#D14ADE

background

#F9F8FD

surface

#F1EFFB

border

#CBCAD4

text

#0D0B15

muted

#7E7C83

Preview Lab

Preview with #4D58CB

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

Preview Lab → · Contrast checker → · Palette generator →