#4277CD#4277CD

#4277CD is a mid, vivid blue. Relative luminance 0.188; OKLCH L 57.6% C 0.144 H 259.6°. Best body text is #000000 at 4.75:1 contrast (WCAG AA passes).

Color values

HEX	#4277CD
RGB	rgb(66, 119, 205)
HSL	hsl(217, 58%, 53%)
HSV	hsv(217, 68%, 80%)
CMYK	cmyk(67.8%, 42%, 0%, 19.6%)
CIE-LAB	lab(50.40, 10.48, -49.77)
CIE-LCH	lch(50.40, 50.86, 281.89°)
OKLab	oklab(57.56% -0.026 -0.1421)
OKLCH	oklch(57.56% 0.144 259.6)
XYZ	xyz(19.8591, 18.7577, 60.3198)
Luminance	0.1876 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4277CD #CD9842

analogous

#42BDCD #4277CD #5242CD

triadic

#4277CD #CD4277 #77CD42

tetradic

#4277CD #CD42BD #CD9842 #42CD52

square

#4277CD #CD42BD #CD9842 #42CD52

split-complementary

#4277CD #CD5242 #BDCD42

monochromatic

#1F4076 #2C5AA6 #4277CD #729ADA #A3BDE7

Accessibility & contrast

On white

4.42

#4277CD on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.75

#4277CD on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4277CD

4.75:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4277CD	#FFFFFF	#000000	##000000
##4277CD	1.00	4.42	4.75	4.75
#FFFFFF	4.42	1.00	21.00	21.00
#000000	4.75	21.00	1.00	1.00
##000000	4.75	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#4F7FD0

Deuteranopia (green-blind)

#3872CB

Tritanopia (blue-blind)

#008B98

Achromatopsia (no color)

#787878

Design tokens & code

CSS

--color: #4277cd;
/* rgb */ color: rgb(66, 119, 205);
/* oklch */ color: oklch(57.6% 0.144 259.6);

Tailwind

colors: {
  custom: {
    50: '#859ddd',
    500: '#4277cd',
    950: '#000000',
  },
}

SCSS

$custom: #4277cd;
$custom-light: #859ddd;
$custom-dark: #000000;

JSON

{
  "hex": "#4277cd",
  "rgb": {
    "r": 66,
    "g": 119,
    "b": 205
  },
  "hsl": {
    "h": 217.122,
    "s": 58.159,
    "l": 53.137
  },
  "oklch": {
    "l": 0.57559,
    "c": 0.14442,
    "h": 259.6
  },
  "luminance": 0.1876
}

Semantic roles & 50–950 ramp

primary

#4277CD

secondary

#D3BD97

accent

#A646E1

background

#F8F9FD

surface

#F0F2FB

border

#CBCCD4

text

#0C0E15

muted

#7D7E83

Preview Lab

Preview with #4277CD

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

Preview Lab → · Contrast checker → · Palette generator →