#4276CB#4276CB

#4276CB is a mid, vivid blue. Relative luminance 0.184; OKLCH L 57.2% C 0.143 H 259.7°. Best body text is #000000 at 4.69:1 contrast (WCAG AA passes).

Color values

HEX	#4276CB
RGB	rgb(66, 118, 203)
HSL	hsl(217, 57%, 53%)
HSV	hsv(217, 67%, 80%)
CMYK	cmyk(67.5%, 41.9%, 0%, 20.4%)
CIE-LAB	lab(50.01, 10.38, -49.26)
CIE-LCH	lch(50.01, 50.34, 281.90°)
OKLab	oklab(57.22% -0.0255 -0.1406)
OKLCH	oklch(57.22% 0.143 259.7)
XYZ	xyz(19.5008, 18.4250, 59.0170)
Luminance	0.1843 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4276CB #CB9742

analogous

#42BBCB #4276CB #5242CB

triadic

#4276CB #CB4276 #76CB42

tetradic

#4276CB #CB42BB #CB9742 #42CB52

square

#4276CB #CB42BB #CB9742 #42CB52

split-complementary

#4276CB #CB5242 #BBCB42

monochromatic

#203F73 #2D5AA3 #4276CB #7299D8 #A2BCE5

Accessibility & contrast

On white

4.48

#4276CB on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.69

#4276CB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4276CB

4.69:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4276CB	#FFFFFF	#000000	##000000
##4276CB	1.00	4.48	4.69	4.69
#FFFFFF	4.48	1.00	21.00	21.00
#000000	4.69	21.00	1.00	1.00
##000000	4.69	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#4E7ECE

Deuteranopia (green-blind)

#3871C9

Tritanopia (blue-blind)

#008A96

Achromatopsia (no color)

#777777

Design tokens & code

CSS

--color: #4276cb;
/* rgb */ color: rgb(66, 118, 203);
/* oklch */ color: oklch(57.2% 0.143 259.7);

Tailwind

colors: {
  custom: {
    50: '#859ddb',
    500: '#4276cb',
    950: '#000000',
  },
}

SCSS

$custom: #4276cb;
$custom-light: #859ddb;
$custom-dark: #000000;

JSON

{
  "hex": "#4276cb",
  "rgb": {
    "r": 66,
    "g": 118,
    "b": 203
  },
  "hsl": {
    "h": 217.226,
    "s": 56.846,
    "l": 52.745
  },
  "oklch": {
    "l": 0.57216,
    "c": 0.14287,
    "h": 259.7
  },
  "luminance": 0.18427
}

Semantic roles & 50–950 ramp

primary

#4276CB

secondary

#D2BC97

accent

#A648E0

background

#F8F9FD

surface

#F0F2FB

border

#CBCCD4

text

#0C0E15

muted

#7D7E83

Preview Lab

Preview with #4276CB

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

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