#4276CC#4276CC

#4276CC is a mid, vivid blue. Relative luminance 0.185; OKLCH L 57.3% C 0.144 H 259.9°. Best body text is #000000 at 4.70:1 contrast (WCAG AA passes).

Color values

HEX	#4276CC
RGB	rgb(66, 118, 204)
HSL	hsl(217, 58%, 53%)
HSV	hsv(217, 68%, 80%)
CMYK	cmyk(67.6%, 42.2%, 0%, 20%)
CIE-LAB	lab(50.06, 10.74, -49.74)
CIE-LCH	lch(50.06, 50.89, 282.18°)
OKLab	oklab(57.28% -0.0253 -0.142)
OKLCH	oklch(57.28% 0.144 259.9)
XYZ	xyz(19.6204, 18.4728, 59.6466)
Luminance	0.1847 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4276CC #CC9842

analogous

#42BBCC #4276CC #5342CC

triadic

#4276CC #CC4276 #76CC42

tetradic

#4276CC #CC42BB #CC9842 #42CC53

square

#4276CC #CC42BB #CC9842 #42CC53

split-complementary

#4276CC #CC5342 #BBCC42

monochromatic

#1F3F74 #2C5AA4 #4276CC #7299D9 #A2BCE6

Accessibility & contrast

On white

4.47

#4276CC on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.70

#4276CC on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4276CC

4.70:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4276CC	#FFFFFF	#000000	##000000
##4276CC	1.00	4.47	4.70	4.70
#FFFFFF	4.47	1.00	21.00	21.00
#000000	4.70	21.00	1.00	1.00
##000000	4.70	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#4E7ECF

Deuteranopia (green-blind)

#3771CA

Tritanopia (blue-blind)

#008A97

Achromatopsia (no color)

#777777

Design tokens & code

CSS

--color: #4276cc;
/* rgb */ color: rgb(66, 118, 204);
/* oklch */ color: oklch(57.3% 0.144 259.9);

Tailwind

colors: {
  custom: {
    50: '#859ddc',
    500: '#4276cc',
    950: '#000000',
  },
}

SCSS

$custom: #4276cc;
$custom-light: #859ddc;
$custom-dark: #000000;

JSON

{
  "hex": "#4276cc",
  "rgb": {
    "r": 66,
    "g": 118,
    "b": 204
  },
  "hsl": {
    "h": 217.391,
    "s": 57.5,
    "l": 52.941
  },
  "oklch": {
    "l": 0.57279,
    "c": 0.14421,
    "h": 259.9
  },
  "luminance": 0.18475
}

Semantic roles & 50–950 ramp

primary

#4276CC

secondary

#D3BC97

accent

#A747E1

background

#F8F9FD

surface

#F0F2FB

border

#CBCCD4

text

#0C0E15

muted

#7D7E83

Preview Lab

Preview with #4276CC

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

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