#4277D2#4277D2

#4277D2 is a mid, vivid blue. Relative luminance 0.190; OKLCH L 57.9% C 0.151 H 260.5°. Best body text is #000000 at 4.80:1 contrast (WCAG AA passes).

Color values

HEX	#4277D2
RGB	rgb(66, 119, 210)
HSL	hsl(218, 62%, 54%)
HSV	hsv(218, 69%, 82%)
CMYK	cmyk(68.6%, 43.3%, 0%, 17.6%)
CIE-LAB	lab(50.69, 12.26, -52.16)
CIE-LCH	lch(50.69, 53.58, 283.23°)
OKLab	oklab(57.88% -0.025 -0.1491)
OKLCH	oklch(57.88% 0.151 260.5)
XYZ	xyz(20.4723, 19.0029, 63.5493)
Luminance	0.1900 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4277D2 #D29D42

analogous

#42BFD2 #4277D2 #5542D2

triadic

#4277D2 #D24277 #77D242

tetradic

#4277D2 #D242BF #D29D42 #42D255

square

#4277D2 #D242BF #D29D42 #42D255

split-complementary

#4277D2 #D25542 #BFD242

monochromatic

#1E407C #295AAD #4277D2 #739BDE #A5BEEA

Accessibility & contrast

On white

4.37

#4277D2 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.80

#4277D2 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4277D2

4.80:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4277D2	#FFFFFF	#000000	##000000
##4277D2	1.00	4.37	4.80	4.80
#FFFFFF	4.37	1.00	21.00	21.00
#000000	4.80	21.00	1.00	1.00
##000000	4.80	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#4B80D5

Deuteranopia (green-blind)

#3273D0

Tritanopia (blue-blind)

#008C9A

Achromatopsia (no color)

#797979

Design tokens & code

CSS

--color: #4277d2;
/* rgb */ color: rgb(66, 119, 210);
/* oklch */ color: oklch(57.9% 0.151 260.5);

Tailwind

colors: {
  custom: {
    50: '#869de0',
    500: '#4277d2',
    950: '#000000',
  },
}

SCSS

$custom: #4277d2;
$custom-light: #869de0;
$custom-dark: #000000;

JSON

{
  "hex": "#4277d2",
  "rgb": {
    "r": 66,
    "g": 119,
    "b": 210
  },
  "hsl": {
    "h": 217.917,
    "s": 61.538,
    "l": 54.118
  },
  "oklch": {
    "l": 0.57875,
    "c": 0.15115,
    "h": 260.5
  },
  "luminance": 0.19005
}

Semantic roles & 50–950 ramp

primary

#4277D2

secondary

#D7C099

accent

#A943E5

background

#F8F9FD

surface

#F0F2FB

border

#CBCCD4

text

#0C0E15

muted

#7D7E83

Preview Lab

Preview with #4277D2

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

Preview Lab → · Contrast checker → · Palette generator →