#4263CE#4263CE

#4263CE is a mid, vivid blue. Relative luminance 0.145; OKLCH L 53.4% C 0.170 H 267.5°. Best body text is #FFFFFF at 5.37:1 contrast (WCAG AA passes).

Color values

HEX	#4263CE
RGB	rgb(66, 99, 206)
HSL	hsl(226, 59%, 53%)
HSV	hsv(226, 68%, 81%)
CMYK	cmyk(68%, 51.9%, 0%, 19.2%)
CIE-LAB	lab(44.99, 23.41, -59.03)
CIE-LCH	lch(44.99, 63.50, 291.63°)
OKLab	oklab(53.44% -0.0075 -0.1696)
OKLCH	oklch(53.44% 0.17 267.5)
XYZ	xyz(17.8453, 14.5364, 60.2459)
Luminance	0.1454 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4263CE #CEAD42

analogous

#42A9CE #4263CE #6742CE

triadic

#4263CE #CE4263 #63CE42

tetradic

#4263CE #CE42A9 #CEAD42 #42CE67

square

#4263CE #CE42A9 #CEAD42 #42CE67

split-complementary

#4263CE #CE6742 #A9CE42

monochromatic

#1F3477 #2B49A7 #4263CE #738BDB #A3B3E7

Accessibility & contrast

On white

5.37

#4263CE on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.91

#4263CE on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4263CE

5.37:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4263CE	#FFFFFF	#000000	##FFFFFF
##4263CE	1.00	5.37	3.91	5.37
#FFFFFF	5.37	1.00	21.00	1.00
#000000	3.91	21.00	1.00	21.00
##FFFFFF	5.37	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1E71D2

Deuteranopia (green-blind)

#0064CC

Tritanopia (blue-blind)

#007C8F

Achromatopsia (no color)

#6A6A6A

Design tokens & code

CSS

--color: #4263ce;
/* rgb */ color: rgb(66, 99, 206);
/* oklch */ color: oklch(53.4% 0.170 267.5);

Tailwind

colors: {
  custom: {
    50: '#868ede',
    500: '#4263ce',
    950: '#000000',
  },
}

SCSS

$custom: #4263ce;
$custom-light: #868ede;
$custom-dark: #000000;

JSON

{
  "hex": "#4263ce",
  "rgb": {
    "r": 66,
    "g": 99,
    "b": 206
  },
  "hsl": {
    "h": 225.857,
    "s": 58.824,
    "l": 53.333
  },
  "oklch": {
    "l": 0.53437,
    "c": 0.16977,
    "h": 267.5
  },
  "luminance": 0.14538
}

Semantic roles & 50–950 ramp

primary

#4263CE

secondary

#D4C698

accent

#BD46E2

background

#F8F8FD

surface

#F0F0FB

border

#CBCBD4

text

#0C0C15

muted

#7D7D83

Preview Lab

Preview with #4263CE

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

Preview Lab → · Contrast checker → · Palette generator →