#4263CC#4263CC

#4263CC is a mid, vivid blue. Relative luminance 0.144; OKLCH L 53.3% C 0.167 H 267.4°. Best body text is #FFFFFF at 5.40:1 contrast (WCAG AA passes).

Color values

HEX	#4263CC
RGB	rgb(66, 99, 204)
HSL	hsl(226, 58%, 53%)
HSV	hsv(226, 68%, 80%)
CMYK	cmyk(67.6%, 51.5%, 0%, 20%)
CIE-LAB	lab(44.86, 22.69, -58.10)
CIE-LCH	lch(44.86, 62.38, 291.33°)
OKLab	oklab(53.29% -0.0077 -0.1669)
OKLCH	oklch(53.29% 0.167 267.4)
XYZ	xyz(17.6039, 14.4399, 58.9745)
Luminance	0.1444 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4263CC #CCAB42

analogous

#42A8CC #4263CC #6642CC

triadic

#4263CC #CC4263 #63CC42

tetradic

#4263CC #CC42A8 #CCAB42 #42CC66

square

#4263CC #CC42A8 #CCAB42 #42CC66

split-complementary

#4263CC #CC6642 #A8CC42

monochromatic

#1F3474 #2C49A4 #4263CC #728BD9 #A2B3E6

Accessibility & contrast

On white

5.40

#4263CC on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.89

#4263CC on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4263CC

5.40:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4263CC	#FFFFFF	#000000	##FFFFFF
##4263CC	1.00	5.40	3.89	5.40
#FFFFFF	5.40	1.00	21.00	1.00
#000000	3.89	21.00	1.00	21.00
##FFFFFF	5.40	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2271D0

Deuteranopia (green-blind)

#0064CA

Tritanopia (blue-blind)

#007C8E

Achromatopsia (no color)

#6A6A6A

Design tokens & code

CSS

--color: #4263cc;
/* rgb */ color: rgb(66, 99, 204);
/* oklch */ color: oklch(53.3% 0.167 267.4);

Tailwind

colors: {
  custom: {
    50: '#868edc',
    500: '#4263cc',
    950: '#000000',
  },
}

SCSS

$custom: #4263cc;
$custom-light: #868edc;
$custom-dark: #000000;

JSON

{
  "hex": "#4263cc",
  "rgb": {
    "r": 66,
    "g": 99,
    "b": 204
  },
  "hsl": {
    "h": 225.652,
    "s": 57.5,
    "l": 52.941
  },
  "oklch": {
    "l": 0.53291,
    "c": 0.16704,
    "h": 267.4
  },
  "luminance": 0.14442
}

Semantic roles & 50–950 ramp

primary

#4263CC

secondary

#D3C497

accent

#BC47E1

background

#F8F8FD

surface

#F0F0FB

border

#CBCBD4

text

#0C0C15

muted

#7D7D83

Preview Lab

Preview with #4263CC

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

Preview Lab → · Contrast checker → · Palette generator →