#4254CB#4254CB

#4254CB is a mid, vivid blue. Relative luminance 0.118; OKLCH L 50.3% C 0.184 H 271.5°. Best body text is #FFFFFF at 6.25:1 contrast (WCAG AA passes).

Color values

HEX	#4254CB
RGB	rgb(66, 84, 203)
HSL	hsl(232, 57%, 53%)
HSV	hsv(232, 67%, 80%)
CMYK	cmyk(67.5%, 58.6%, 0%, 20.4%)
CIE-LAB	lab(40.91, 31.88, -63.92)
CIE-LCH	lch(40.91, 71.43, 296.50°)
OKLab	oklab(50.31% 0.005 -0.1842)
OKLCH	oklch(50.31% 0.184 271.5)
XYZ	xyz(16.1929, 11.8092, 57.9144)
Luminance	0.1181 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4254CB #CBB942

analogous

#4298CB #4254CB #7542CB

triadic

#4254CB #CB4254 #54CB42

tetradic

#4254CB #CB4298 #CBB942 #42CB75

square

#4254CB #CB4298 #CBB942 #42CB75

split-complementary

#4254CB #CB7542 #98CB42

monochromatic

#202B73 #2D3CA3 #4254CB #727FD8 #A2ABE5

Accessibility & contrast

On white

6.25

#4254CB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.36

#4254CB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4254CB

6.25:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4254CB	#FFFFFF	#000000	##FFFFFF
##4254CB	1.00	6.25	3.36	6.25
#FFFFFF	6.25	1.00	21.00	1.00
#000000	3.36	21.00	1.00	21.00
##FFFFFF	6.25	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0067CF

Deuteranopia (green-blind)

#005AC9

Tritanopia (blue-blind)

#007187

Achromatopsia (no color)

#606060

Design tokens & code

CSS

--color: #4254cb;
/* rgb */ color: rgb(66, 84, 203);
/* oklch */ color: oklch(50.3% 0.184 271.5);

Tailwind

colors: {
  custom: {
    50: '#8684dc',
    500: '#4254cb',
    950: '#000000',
  },
}

SCSS

$custom: #4254cb;
$custom-light: #8684dc;
$custom-dark: #000000;

JSON

{
  "hex": "#4254cb",
  "rgb": {
    "r": 66,
    "g": 84,
    "b": 203
  },
  "hsl": {
    "h": 232.117,
    "s": 56.846,
    "l": 52.745
  },
  "oklch": {
    "l": 0.50306,
    "c": 0.18425,
    "h": 271.5
  },
  "luminance": 0.11811
}

Semantic roles & 50–950 ramp

primary

#4254CB

secondary

#D2CA97

accent

#CC48E0

background

#F8F8FD

surface

#F0EFFB

border

#CBCAD4

text

#0D0A15

muted

#7D7C83

Preview Lab

Preview with #4254CB

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

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