#4C54CB#4C54CB

#4C54CB is a mid, vivid blue. Relative luminance 0.122; OKLCH L 50.9% C 0.182 H 275.0°. Best body text is #FFFFFF at 6.11:1 contrast (WCAG AA passes).

Color values

HEX	#4C54CB
RGB	rgb(76, 84, 203)
HSL	hsl(236, 55%, 55%)
HSV	hsv(236, 63%, 80%)
CMYK	cmyk(62.6%, 58.6%, 0%, 20.4%)
CIE-LAB	lab(41.51, 33.41, -62.92)
CIE-LCH	lch(41.51, 71.24, 297.97°)
OKLab	oklab(50.91% 0.0158 -0.181)
OKLCH	oklch(50.91% 0.182 275)
XYZ	xyz(16.9268, 12.1876, 57.9488)
Luminance	0.1219 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4C54CB #CBC34C

analogous

#4C94CB #4C54CB #834CCB

triadic

#4C54CB #CB4C54 #54CB4C

tetradic

#4C54CB #CB4C94 #CBC34C #4CCB83

square

#4C54CB #CB4C94 #CBC34C #4CCB83

split-complementary

#4C54CB #CB834C #94CB4C

monochromatic

#232979 #3139A9 #4C54CB #7B81D9 #ABAFE7

Accessibility & contrast

On white

6.11

#4C54CB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.44

#4C54CB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4C54CB

6.11:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4C54CB	#FFFFFF	#000000	##FFFFFF
##4C54CB	1.00	6.11	3.44	6.11
#FFFFFF	6.11	1.00	21.00	1.00
#000000	3.44	21.00	1.00	21.00
##FFFFFF	6.11	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0068CF

Deuteranopia (green-blind)

#005CC9

Tritanopia (blue-blind)

#007187

Achromatopsia (no color)

#626262

Design tokens & code

CSS

--color: #4c54cb;
/* rgb */ color: rgb(76, 84, 203);
/* oklch */ color: oklch(50.9% 0.182 275.0);

Tailwind

colors: {
  custom: {
    50: '#8b84dc',
    500: '#4c54cb',
    950: '#000000',
  },
}

SCSS

$custom: #4c54cb;
$custom-light: #8b84dc;
$custom-dark: #000000;

JSON

{
  "hex": "#4c54cb",
  "rgb": {
    "r": 76,
    "g": 84,
    "b": 203
  },
  "hsl": {
    "h": 236.22,
    "s": 54.978,
    "l": 54.706
  },
  "oklch": {
    "l": 0.50911,
    "c": 0.18167,
    "h": 275
  },
  "luminance": 0.12189
}

Semantic roles & 50–950 ramp

primary

#4C54CB

secondary

#D4D19F

accent

#D549DE

background

#F9F8FD

surface

#F1EFFB

border

#CBCAD4

text

#0D0B15

muted

#7E7C83

Preview Lab

Preview with #4C54CB

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

Preview Lab → · Contrast checker → · Palette generator →