#4276D3#4276D3

#4276D3 is a mid, vivid blue. Relative luminance 0.188; OKLCH L 57.7% C 0.154 H 261.0°. Best body text is #000000 at 4.76:1 contrast (WCAG AA passes).

Color values

HEX	#4276D3
RGB	rgb(66, 118, 211)
HSL	hsl(218, 62%, 54%)
HSV	hsv(218, 69%, 83%)
CMYK	cmyk(68.7%, 44.1%, 0%, 17.3%)
CIE-LAB	lab(50.47, 13.24, -53.07)
CIE-LCH	lch(50.47, 54.70, 284.00°)
OKLab	oklab(57.73% -0.0239 -0.1518)
OKLCH	oklch(57.73% 0.154 261)
XYZ	xyz(20.4789, 18.8162, 64.1680)
Luminance	0.1882 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4276D3 #D39F42

analogous

#42BFD3 #4276D3 #5742D3

triadic

#4276D3 #D34276 #76D342

tetradic

#4276D3 #D342BF #D39F42 #42D357

square

#4276D3 #D342BF #D39F42 #42D357

split-complementary

#4276D3 #D35742 #BFD342

monochromatic

#1D407D #2959AF #4276D3 #749ADF #A5BEEA

Accessibility & contrast

On white

4.41

#4276D3 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.76

#4276D3 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4276D3

4.76:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4276D3	#FFFFFF	#000000	##000000
##4276D3	1.00	4.41	4.76	4.76
#FFFFFF	4.41	1.00	21.00	21.00
#000000	4.76	21.00	1.00	1.00
##000000	4.76	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#487FD7

Deuteranopia (green-blind)

#2E72D1

Tritanopia (blue-blind)

#008C9A

Achromatopsia (no color)

#787878

Design tokens & code

CSS

--color: #4276d3;
/* rgb */ color: rgb(66, 118, 211);
/* oklch */ color: oklch(57.7% 0.154 261.0);

Tailwind

colors: {
  custom: {
    50: '#869ce1',
    500: '#4276d3',
    950: '#000000',
  },
}

SCSS

$custom: #4276d3;
$custom-light: #869ce1;
$custom-dark: #000000;

JSON

{
  "hex": "#4276d3",
  "rgb": {
    "r": 66,
    "g": 118,
    "b": 211
  },
  "hsl": {
    "h": 218.483,
    "s": 62.232,
    "l": 54.314
  },
  "oklch": {
    "l": 0.57725,
    "c": 0.15366,
    "h": 261
  },
  "luminance": 0.18818
}

Semantic roles & 50–950 ramp

primary

#4276D3

secondary

#D7C19A

accent

#AB42E5

background

#F8F9FD

surface

#F0F2FB

border

#CBCCD4

text

#0C0E15

muted

#7D7E83

Preview Lab

Preview with #4276D3

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

Preview Lab → · Contrast checker → · Palette generator →