#4277C4#4277C4

#4277C4 is a mid, vivid blue. Relative luminance 0.183; OKLCH L 57.0% C 0.132 H 257.8°. Best body text is #000000 at 4.67:1 contrast (WCAG AA passes).

Color values

HEX	#4277C4
RGB	rgb(66, 119, 196)
HSL	hsl(216, 52%, 51%)
HSV	hsv(216, 66%, 77%)
CMYK	cmyk(66.3%, 39.3%, 0%, 23.1%)
CIE-LAB	lab(49.90, 7.29, -45.43)
CIE-LCH	lch(49.90, 46.01, 279.12°)
OKLab	oklab(57.01% -0.0279 -0.1293)
OKLCH	oklch(57.01% 0.132 257.8)
XYZ	xyz(18.8038, 18.3356, 54.7620)
Luminance	0.1834 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4277C4 #C48F42

analogous

#42B8C4 #4277C4 #4E42C4

triadic

#4277C4 #C44277 #77C442

tetradic

#4277C4 #C442B8 #C48F42 #42C44E

square

#4277C4 #C442B8 #C48F42 #42C44E

split-complementary

#4277C4 #C44E42 #B8C442

monochromatic

#213F6A #305B99 #4277C4 #7199D3 #9FBAE1

Accessibility & contrast

On white

4.50

#4277C4 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.67

#4277C4 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4277C4

4.67:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4277C4	#FFFFFF	#000000	##000000
##4277C4	1.00	4.50	4.67	4.67
#FFFFFF	4.50	1.00	21.00	21.00
#000000	4.67	21.00	1.00	1.00
##000000	4.67	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#547DC7

Deuteranopia (green-blind)

#4171C2

Tritanopia (blue-blind)

#008994

Achromatopsia (no color)

#777777

Design tokens & code

CSS

--color: #4277c4;
/* rgb */ color: rgb(66, 119, 196);
/* oklch */ color: oklch(57.0% 0.132 257.8);

Tailwind

colors: {
  custom: {
    50: '#849dd6',
    500: '#4277c4',
    950: '#000000',
  },
}

SCSS

$custom: #4277c4;
$custom-light: #849dd6;
$custom-dark: #000000;

JSON

{
  "hex": "#4277c4",
  "rgb": {
    "r": 66,
    "g": 119,
    "b": 196
  },
  "hsl": {
    "h": 215.538,
    "s": 52.419,
    "l": 51.373
  },
  "oklch": {
    "l": 0.57007,
    "c": 0.1323,
    "h": 257.8
  },
  "luminance": 0.18337
}

Semantic roles & 50–950 ramp

primary

#4277C4

secondary

#CEB694

accent

#A14CDC

background

#F8F9FD

surface

#F0F2FA

border

#CBCCD3

text

#0C0E14

muted

#7D7E83

Preview Lab

Preview with #4277C4

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

Preview Lab → · Contrast checker → · Palette generator →