#4B54CB#4B54CB

#4B54CB is a mid, vivid blue. Relative luminance 0.121; OKLCH L 50.8% C 0.182 H 274.6°. Best body text is #FFFFFF at 6.12:1 contrast (WCAG AA passes).

Color values

HEX	#4B54CB
RGB	rgb(75, 84, 203)
HSL	hsl(236, 55%, 55%)
HSV	hsv(236, 63%, 80%)
CMYK	cmyk(63.1%, 58.6%, 0%, 20.4%)
CIE-LAB	lab(41.45, 33.25, -63.03)
CIE-LCH	lch(41.45, 71.26, 297.81°)
OKLab	oklab(50.85% 0.0147 -0.1813)
OKLCH	oklch(50.85% 0.182 274.6)
XYZ	xyz(16.8479, 12.1469, 57.9451)
Luminance	0.1215 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4B54CB #CBC24B

analogous

#4B94CB #4B54CB #824BCB

triadic

#4B54CB #CB4B54 #54CB4B

tetradic

#4B54CB #CB4B94 #CBC24B #4BCB82

square

#4B54CB #CB4B94 #CBC24B #4BCB82

split-complementary

#4B54CB #CB824B #94CB4B

monochromatic

#232979 #3139A8 #4B54CB #7A81D9 #AAAEE6

Accessibility & contrast

On white

6.12

#4B54CB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.43

#4B54CB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4B54CB

6.12:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4B54CB	#FFFFFF	#000000	##FFFFFF
##4B54CB	1.00	6.12	3.43	6.12
#FFFFFF	6.12	1.00	21.00	1.00
#000000	3.43	21.00	1.00	21.00
##FFFFFF	6.12	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0067CF

Deuteranopia (green-blind)

#005CC9

Tritanopia (blue-blind)

#007187

Achromatopsia (no color)

#626262

Design tokens & code

CSS

--color: #4b54cb;
/* rgb */ color: rgb(75, 84, 203);
/* oklch */ color: oklch(50.8% 0.182 274.6);

Tailwind

colors: {
  custom: {
    50: '#8b84dc',
    500: '#4b54cb',
    950: '#000000',
  },
}

SCSS

$custom: #4b54cb;
$custom-light: #8b84dc;
$custom-dark: #000000;

JSON

{
  "hex": "#4b54cb",
  "rgb": {
    "r": 75,
    "g": 84,
    "b": 203
  },
  "hsl": {
    "h": 235.781,
    "s": 55.172,
    "l": 54.51
  },
  "oklch": {
    "l": 0.50847,
    "c": 0.18191,
    "h": 274.6
  },
  "luminance": 0.12148
}

Semantic roles & 50–950 ramp

primary

#4B54CB

secondary

#D4D09E

accent

#D449DF

background

#F9F8FD

surface

#F1EFFB

border

#CBCAD4

text

#0D0B15

muted

#7E7C83

Preview Lab

Preview with #4B54CB

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

Preview Lab → · Contrast checker → · Palette generator →