#4254BC#4254BC

#4254BC is a mid, vivid blue. Relative luminance 0.111; OKLCH L 49.1% C 0.164 H 271.6°. Best body text is #FFFFFF at 6.51:1 contrast (WCAG AA passes).

Color values

HEX	#4254BC
RGB	rgb(66, 84, 188)
HSL	hsl(231, 48%, 50%)
HSV	hsv(231, 65%, 74%)
CMYK	cmyk(64.9%, 55.3%, 0%, 26.3%)
CIE-LAB	lab(39.80, 26.61, -57.01)
CIE-LCH	lch(39.80, 62.92, 295.02°)
OKLab	oklab(49.12% 0.0046 -0.1639)
OKLCH	oklch(49.12% 0.164 271.6)
XYZ	xyz(14.4911, 11.1285, 48.9515)
Luminance	0.1113 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4254BC #BCAA42

analogous

#4291BC #4254BC #6D42BC

triadic

#4254BC #BC4254 #54BC42

tetradic

#4254BC #BC4291 #BCAA42 #42BC6D

square

#4254BC #BC4291 #BCAA42 #42BC6D

split-complementary

#4254BC #BC6D42 #91BC42

monochromatic

#222C61 #32408F #4254BC #6F7DCC #9CA6DC

Accessibility & contrast

On white

6.51

#4254BC on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.23

#4254BC on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4254BC

6.51:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4254BC	#FFFFFF	#000000	##FFFFFF
##4254BC	1.00	6.51	3.23	6.51
#FFFFFF	6.51	1.00	21.00	1.00
#000000	3.23	21.00	1.00	21.00
##FFFFFF	6.51	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0063C0

Deuteranopia (green-blind)

#0058BA

Tritanopia (blue-blind)

#006D80

Achromatopsia (no color)

#5E5E5E

Design tokens & code

CSS

--color: #4254bc;
/* rgb */ color: rgb(66, 84, 188);
/* oklch */ color: oklch(49.1% 0.164 271.6);

Tailwind

colors: {
  custom: {
    50: '#8383d1',
    500: '#4254bc',
    950: '#000000',
  },
}

SCSS

$custom: #4254bc;
$custom-light: #8383d1;
$custom-dark: #000000;

JSON

{
  "hex": "#4254bc",
  "rgb": {
    "r": 66,
    "g": 84,
    "b": 188
  },
  "hsl": {
    "h": 231.148,
    "s": 48.031,
    "l": 49.804
  },
  "oklch": {
    "l": 0.49122,
    "c": 0.16393,
    "h": 271.6
  },
  "luminance": 0.1113
}

Semantic roles & 50–950 ramp

primary

#4254BC

secondary

#C9C091

accent

#C450D8

background

#F8F8FC

surface

#F0EFF9

border

#CBCAD2

text

#0C0A14

muted

#7D7C82

Preview Lab

Preview with #4254BC

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

Preview Lab → · Contrast checker → · Palette generator →