#4254CC#4254CC

#4254CC is a mid, vivid blue. Relative luminance 0.119; OKLCH L 50.4% C 0.186 H 271.5°. Best body text is #FFFFFF at 6.23:1 contrast (WCAG AA passes).

Color values

HEX	#4254CC
RGB	rgb(66, 84, 204)
HSL	hsl(232, 58%, 53%)
HSV	hsv(232, 68%, 80%)
CMYK	cmyk(67.6%, 58.8%, 0%, 20%)
CIE-LAB	lab(40.99, 32.23, -64.38)
CIE-LCH	lch(40.99, 71.99, 296.59°)
OKLab	oklab(50.39% 0.005 -0.1855)
OKLCH	oklch(50.39% 0.186 271.5)
XYZ	xyz(16.3125, 11.8570, 58.5440)
Luminance	0.1186 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4254CC #CCBA42

analogous

#4299CC #4254CC #7542CC

triadic

#4254CC #CC4254 #54CC42

tetradic

#4254CC #CC4299 #CCBA42 #42CC75

square

#4254CC #CC4299 #CCBA42 #42CC75

split-complementary

#4254CC #CC7542 #99CC42

monochromatic

#1F2A74 #2C3CA4 #4254CC #7280D9 #A2ABE6

Accessibility & contrast

On white

6.23

#4254CC on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.37

#4254CC on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4254CC

6.23:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4254CC	#FFFFFF	#000000	##FFFFFF
##4254CC	1.00	6.23	3.37	6.23
#FFFFFF	6.23	1.00	21.00	1.00
#000000	3.37	21.00	1.00	21.00
##FFFFFF	6.23	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0067D0

Deuteranopia (green-blind)

#005BCA

Tritanopia (blue-blind)

#007288

Achromatopsia (no color)

#616161

Design tokens & code

CSS

--color: #4254cc;
/* rgb */ color: rgb(66, 84, 204);
/* oklch */ color: oklch(50.4% 0.186 271.5);

Tailwind

colors: {
  custom: {
    50: '#8784dc',
    500: '#4254cc',
    950: '#000000',
  },
}

SCSS

$custom: #4254cc;
$custom-light: #8784dc;
$custom-dark: #000000;

JSON

{
  "hex": "#4254cc",
  "rgb": {
    "r": 66,
    "g": 84,
    "b": 204
  },
  "hsl": {
    "h": 232.174,
    "s": 57.5,
    "l": 52.941
  },
  "oklch": {
    "l": 0.50387,
    "c": 0.18558,
    "h": 271.5
  },
  "luminance": 0.11859
}

Semantic roles & 50–950 ramp

primary

#4254CC

secondary

#D3CB97

accent

#CD47E1

background

#F8F8FD

surface

#F0EFFB

border

#CBCAD4

text

#0D0A15

muted

#7D7C83

Preview Lab

Preview with #4254CC

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

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