#4254CF#4254CF

#4254CF is a mid, vivid blue. Relative luminance 0.120; OKLCH L 50.6% C 0.190 H 271.5°. Best body text is #FFFFFF at 6.18:1 contrast (WCAG AA passes).

Color values

HEX	#4254CF
RGB	rgb(66, 84, 207)
HSL	hsl(232, 59%, 54%)
HSV	hsv(232, 68%, 81%)
CMYK	cmyk(68.1%, 59.4%, 0%, 18.8%)
CIE-LAB	lab(41.22, 33.27, -65.73)
CIE-LCH	lch(41.22, 73.67, 296.85°)
OKLab	oklab(50.63% 0.005 -0.1895)
OKLCH	oklch(50.63% 0.19 271.5)
XYZ	xyz(16.6758, 12.0023, 60.4572)
Luminance	0.1200 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4254CF #CFBD42

analogous

#429BCF #4254CF #7642CF

triadic

#4254CF #CF4254 #54CF42

tetradic

#4254CF #CF429B #CFBD42 #42CF76

square

#4254CF #CF429B #CFBD42 #42CF76

split-complementary

#4254CF #CF7642 #9BCF42

monochromatic

#1F2A78 #2B3BA9 #4254CF #7380DB #A4ACE8

Accessibility & contrast

On white

6.18

#4254CF on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.40

#4254CF on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4254CF

6.18:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4254CF	#FFFFFF	#000000	##FFFFFF
##4254CF	1.00	6.18	3.40	6.18
#FFFFFF	6.18	1.00	21.00	1.00
#000000	3.40	21.00	1.00	21.00
##FFFFFF	6.18	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0068D3

Deuteranopia (green-blind)

#005BCD

Tritanopia (blue-blind)

#007389

Achromatopsia (no color)

#616161

Design tokens & code

CSS

--color: #4254cf;
/* rgb */ color: rgb(66, 84, 207);
/* oklch */ color: oklch(50.6% 0.190 271.5);

Tailwind

colors: {
  custom: {
    50: '#8784df',
    500: '#4254cf',
    950: '#000000',
  },
}

SCSS

$custom: #4254cf;
$custom-light: #8784df;
$custom-dark: #000000;

JSON

{
  "hex": "#4254cf",
  "rgb": {
    "r": 66,
    "g": 84,
    "b": 207
  },
  "hsl": {
    "h": 232.34,
    "s": 59.494,
    "l": 53.529
  },
  "oklch": {
    "l": 0.50632,
    "c": 0.18955,
    "h": 271.5
  },
  "luminance": 0.12004
}

Semantic roles & 50–950 ramp

primary

#4254CF

secondary

#D5CD98

accent

#CF45E3

background

#F9F8FD

surface

#F1EFFB

border

#CBCAD4

text

#0D0A15

muted

#7E7C83

Preview Lab

Preview with #4254CF

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

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