#4253BE#4253BE

#4253BE is a mid, vivid blue. Relative luminance 0.111; OKLCH L 49.1% C 0.168 H 271.9°. Best body text is #FFFFFF at 6.54:1 contrast (WCAG AA passes).

Color values

HEX	#4253BE
RGB	rgb(66, 83, 190)
HSL	hsl(232, 49%, 50%)
HSV	hsv(232, 65%, 75%)
CMYK	cmyk(65.3%, 56.3%, 0%, 25.5%)
CIE-LAB	lab(39.68, 27.95, -58.37)
CIE-LCH	lch(39.68, 64.71, 295.59°)
OKLab	oklab(49.08% 0.0056 -0.1678)
OKLCH	oklch(49.08% 0.168 271.9)
XYZ	xyz(14.6312, 11.0612, 50.0692)
Luminance	0.1106 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4253BE #BEAD42

analogous

#4291BE #4253BE #6F42BE

triadic

#4253BE #BE4253 #53BE42

tetradic

#4253BE #BE4291 #BEAD42 #42BE6F

square

#4253BE #BE4291 #BEAD42 #42BE6F

split-complementary

#4253BE #BE6F42 #91BE42

monochromatic

#222B63 #323F91 #4253BE #707CCE #9DA6DD

Accessibility & contrast

On white

6.54

#4253BE on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.21

#4253BE on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4253BE

6.54:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4253BE	#FFFFFF	#000000	##FFFFFF
##4253BE	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)

#0063C2

Deuteranopia (green-blind)

#0058BC

Tritanopia (blue-blind)

#006D80

Achromatopsia (no color)

#5D5D5D

Design tokens & code

CSS

--color: #4253be;
/* rgb */ color: rgb(66, 83, 190);
/* oklch */ color: oklch(49.1% 0.168 271.9);

Tailwind

colors: {
  custom: {
    50: '#8483d2',
    500: '#4253be',
    950: '#000000',
  },
}

SCSS

$custom: #4253be;
$custom-light: #8483d2;
$custom-dark: #000000;

JSON

{
  "hex": "#4253be",
  "rgb": {
    "r": 66,
    "g": 83,
    "b": 190
  },
  "hsl": {
    "h": 231.774,
    "s": 48.819,
    "l": 50.196
  },
  "oklch": {
    "l": 0.49084,
    "c": 0.16794,
    "h": 271.9
  },
  "luminance": 0.11062
}

Semantic roles & 50–950 ramp

primary

#4253BE

secondary

#CAC292

accent

#C64FD8

background

#F8F8FD

surface

#F0EFFA

border

#CBCAD3

text

#0C0A14

muted

#7D7C83

Preview Lab

Preview with #4253BE

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

Preview Lab → · Contrast checker → · Palette generator →