#4263D3#4263D3

#4263D3 is a mid, vivid blue. Relative luminance 0.148; OKLCH L 53.8% C 0.177 H 267.7°. Best body text is #FFFFFF at 5.31:1 contrast (WCAG AA passes).

Color values

HEX	#4263D3
RGB	rgb(66, 99, 211)
HSL	hsl(226, 62%, 54%)
HSV	hsv(226, 69%, 83%)
CMYK	cmyk(68.7%, 53.1%, 0%, 17.3%)
CIE-LAB	lab(45.34, 25.19, -61.34)
CIE-LCH	lch(45.34, 66.31, 292.33°)
OKLab	oklab(53.81% -0.0071 -0.1764)
OKLCH	oklch(53.81% 0.177 267.7)
XYZ	xyz(18.4624, 14.7833, 63.4959)
Luminance	0.1479 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4263D3 #D3B242

analogous

#42ACD3 #4263D3 #6A42D3

triadic

#4263D3 #D34263 #63D342

tetradic

#4263D3 #D342AC #D3B242 #42D36A

square

#4263D3 #D342AC #D3B242 #42D36A

split-complementary

#4263D3 #D36A42 #ACD342

monochromatic

#1D337D #2947AF #4263D3 #748CDF #A5B5EA

Accessibility & contrast

On white

5.31

#4263D3 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.96

#4263D3 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4263D3

5.31:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4263D3	#FFFFFF	#000000	##FFFFFF
##4263D3	1.00	5.31	3.96	5.31
#FFFFFF	5.31	1.00	21.00	1.00
#000000	3.96	21.00	1.00	21.00
##FFFFFF	5.31	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1272D7

Deuteranopia (green-blind)

#0065D1

Tritanopia (blue-blind)

#007E91

Achromatopsia (no color)

#6B6B6B

Design tokens & code

CSS

--color: #4263d3;
/* rgb */ color: rgb(66, 99, 211);
/* oklch */ color: oklch(53.8% 0.177 267.7);

Tailwind

colors: {
  custom: {
    50: '#878ee1',
    500: '#4263d3',
    950: '#000000',
  },
}

SCSS

$custom: #4263d3;
$custom-light: #878ee1;
$custom-dark: #000000;

JSON

{
  "hex": "#4263d3",
  "rgb": {
    "r": 66,
    "g": 99,
    "b": 211
  },
  "hsl": {
    "h": 226.345,
    "s": 62.232,
    "l": 54.314
  },
  "oklch": {
    "l": 0.53805,
    "c": 0.17653,
    "h": 267.7
  },
  "luminance": 0.14785
}

Semantic roles & 50–950 ramp

primary

#4263D3

secondary

#D7C99A

accent

#C042E5

background

#F9F8FD

surface

#F1F0FB

border

#CBCBD4

text

#0D0C15

muted

#7E7D83

Preview Lab

Preview with #4263D3

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

Preview Lab → · Contrast checker → · Palette generator →