#4263BE#4263BE

#4263BE is a mid, vivid blue. Relative luminance 0.138; OKLCH L 52.3% C 0.148 H 266.4°. Best body text is #FFFFFF at 5.59:1 contrast (WCAG AA passes).

Color values

HEX	#4263BE
RGB	rgb(66, 99, 190)
HSL	hsl(224, 49%, 50%)
HSV	hsv(224, 65%, 75%)
CMYK	cmyk(65.3%, 47.9%, 0%, 25.5%)
CIE-LAB	lab(43.94, 17.70, -51.49)
CIE-LCH	lch(43.94, 54.45, 288.97°)
OKLab	oklab(52.3% -0.0093 -0.1474)
OKLCH	oklch(52.3% 0.148 266.4)
XYZ	xyz(15.9997, 13.7982, 50.5253)
Luminance	0.1380 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4263BE #BE9D42

analogous

#42A1BE #4263BE #5F42BE

triadic

#4263BE #BE4263 #63BE42

tetradic

#4263BE #BE42A1 #BE9D42 #42BE5F

square

#4263BE #BE42A1 #BE9D42 #42BE5F

split-complementary

#4263BE #BE5F42 #A1BE42

monochromatic

#223463 #324B91 #4263BE #7089CE #9DAEDD

Accessibility & contrast

On white

5.59

#4263BE on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.76

#4263BE on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4263BE

5.59:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4263BE	#FFFFFF	#000000	##FFFFFF
##4263BE	1.00	5.59	3.76	5.59
#FFFFFF	5.59	1.00	21.00	1.00
#000000	3.76	21.00	1.00	21.00
##FFFFFF	5.59	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#346EC1

Deuteranopia (green-blind)

#1963BC

Tritanopia (blue-blind)

#007887

Achromatopsia (no color)

#686868

Design tokens & code

CSS

--color: #4263be;
/* rgb */ color: rgb(66, 99, 190);
/* oklch */ color: oklch(52.3% 0.148 266.4);

Tailwind

colors: {
  custom: {
    50: '#838ed2',
    500: '#4263be',
    950: '#000000',
  },
}

SCSS

$custom: #4263be;
$custom-light: #838ed2;
$custom-dark: #000000;

JSON

{
  "hex": "#4263be",
  "rgb": {
    "r": 66,
    "g": 99,
    "b": 190
  },
  "hsl": {
    "h": 224.032,
    "s": 48.819,
    "l": 50.196
  },
  "oklch": {
    "l": 0.52302,
    "c": 0.1477,
    "h": 266.4
  },
  "luminance": 0.138
}

Semantic roles & 50–950 ramp

primary

#4263BE

secondary

#CABB92

accent

#B44FD8

background

#F8F8FD

surface

#F0F0FA

border

#CBCBD3

text

#0C0C14

muted

#7D7D83

Preview Lab

Preview with #4263BE

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

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