#4254BA#4254BA

#4254BA is a mid, vivid blue. Relative luminance 0.110; OKLCH L 49.0% C 0.161 H 271.6°. Best body text is #FFFFFF at 6.54:1 contrast (WCAG AA passes).

Color values

HEX	#4254BA
RGB	rgb(66, 84, 186)
HSL	hsl(231, 48%, 49%)
HSV	hsv(231, 65%, 73%)
CMYK	cmyk(64.5%, 54.8%, 0%, 27.1%)
CIE-LAB	lab(39.65, 25.91, -56.08)
CIE-LCH	lch(39.65, 61.77, 294.80°)
OKLab	oklab(48.97% 0.0045 -0.1611)
OKLCH	oklch(48.97% 0.161 271.6)
XYZ	xyz(14.2770, 11.0428, 47.8239)
Luminance	0.1104 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4254BA #BAA842

analogous

#4290BA #4254BA #6C42BA

triadic

#4254BA #BA4254 #54BA42

tetradic

#4254BA #BA4290 #BAA842 #42BA6C

square

#4254BA #BA4290 #BAA842 #42BA6C

split-complementary

#4254BA #BA6C42 #90BA42

monochromatic

#222B60 #32408D #4254BA #6E7CCB #9BA5DB

Accessibility & contrast

On white

6.54

#4254BA on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.21

#4254BA on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4254BA

6.54:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4254BA	#FFFFFF	#000000	##FFFFFF
##4254BA	1.00	6.54	3.21	6.54
#FFFFFF	6.54	1.00	21.00	1.00
#000000	3.21	21.00	1.00	21.00
##FFFFFF	6.54	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0363BE

Deuteranopia (green-blind)

#0058B8

Tritanopia (blue-blind)

#006C7F

Achromatopsia (no color)

#5D5D5D

Design tokens & code

CSS

--color: #4254ba;
/* rgb */ color: rgb(66, 84, 186);
/* oklch */ color: oklch(49.0% 0.161 271.6);

Tailwind

colors: {
  custom: {
    50: '#8383cf',
    500: '#4254ba',
    950: '#000000',
  },
}

SCSS

$custom: #4254ba;
$custom-light: #8383cf;
$custom-dark: #000000;

JSON

{
  "hex": "#4254ba",
  "rgb": {
    "r": 66,
    "g": 84,
    "b": 186
  },
  "hsl": {
    "h": 231,
    "s": 47.619,
    "l": 49.412
  },
  "oklch": {
    "l": 0.48969,
    "c": 0.16116,
    "h": 271.6
  },
  "luminance": 0.11044
}

Semantic roles & 50–950 ramp

primary

#4254BA

secondary

#C8BF90

accent

#C351D7

background

#F8F8FC

surface

#F0EFF9

border

#CBCAD2

text

#0C0A14

muted

#7D7C82

Preview Lab

Preview with #4254BA

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

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