#4276DD#4276DD

#4276DD is a mid, vivid blue. Relative luminance 0.193; OKLCH L 58.4% C 0.167 H 262.3°. Best body text is #000000 at 4.87:1 contrast (WCAG AA passes).

Color values

HEX	#4276DD
RGB	rgb(66, 118, 221)
HSL	hsl(220, 70%, 56%)
HSV	hsv(220, 70%, 87%)
CMYK	cmyk(70.1%, 46.6%, 0%, 13.3%)
CIE-LAB	lab(51.07, 16.81, -57.77)
CIE-LCH	lch(51.07, 60.16, 286.23°)
OKLab	oklab(58.38% -0.0223 -0.1656)
OKLCH	oklch(58.38% 0.167 262.3)
XYZ	xyz(21.7717, 19.3333, 70.9769)
Luminance	0.1934 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4276DD #DDA942

analogous

#42C4DD #4276DD #5C42DD

triadic

#4276DD #DD4276 #76DD42

tetradic

#4276DD #DD42C4 #DDA942 #42DD5C

square

#4276DD #DD42C4 #DDA942 #42DD5C

split-complementary

#4276DD #DD5C42 #C4DD42

monochromatic

#193F8C #2257BF #4276DD #769CE6 #AAC1F0

Accessibility & contrast

On white

4.31

#4276DD on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.87

#4276DD on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4276DD

4.87:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4276DD	#FFFFFF	#000000	##000000
##4276DD	1.00	4.31	4.87	4.87
#FFFFFF	4.31	1.00	21.00	21.00
#000000	4.87	21.00	1.00	1.00
##000000	4.87	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#4081E1

Deuteranopia (green-blind)

#1B73DB

Tritanopia (blue-blind)

#008E9F

Achromatopsia (no color)

#7A7A7A

Design tokens & code

CSS

--color: #4276dd;
/* rgb */ color: rgb(66, 118, 221);
/* oklch */ color: oklch(58.4% 0.167 262.3);

Tailwind

colors: {
  custom: {
    50: '#889ce8',
    500: '#4276dd',
    950: '#000000',
  },
}

SCSS

$custom: #4276dd;
$custom-light: #889ce8;
$custom-dark: #000000;

JSON

{
  "hex": "#4276dd",
  "rgb": {
    "r": 66,
    "g": 118,
    "b": 221
  },
  "hsl": {
    "h": 219.871,
    "s": 69.507,
    "l": 56.275
  },
  "oklch": {
    "l": 0.58383,
    "c": 0.16707,
    "h": 262.3
  },
  "luminance": 0.19336
}

Semantic roles & 50–950 ramp

primary

#4276DD

secondary

#DDC89D

accent

#B13BEC

background

#F9F9FE

surface

#F1F2FD

border

#CBCCD5

text

#0D0E16

muted

#7E7E84

Preview Lab

Preview with #4276DD

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

Preview Lab → · Contrast checker → · Palette generator →