#4277D5#4277D5

#4277D5 is a mid, vivid blue. Relative luminance 0.192; OKLCH L 58.1% C 0.155 H 260.9°. Best body text is #000000 at 4.83:1 contrast (WCAG AA passes).

Color values

HEX	#4277D5
RGB	rgb(66, 119, 213)
HSL	hsl(218, 64%, 55%)
HSV	hsv(218, 69%, 84%)
CMYK	cmyk(69%, 44.1%, 0%, 16.5%)
CIE-LAB	lab(50.87, 13.33, -53.58)
CIE-LCH	lch(50.87, 55.21, 283.97°)
OKLab	oklab(58.07% -0.0245 -0.1532)
OKLCH	oklch(58.07% 0.155 260.9)
XYZ	xyz(20.8495, 19.1539, 65.5362)
Luminance	0.1916 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4277D5 #D5A042

analogous

#42C1D5 #4277D5 #5642D5

triadic

#4277D5 #D54277 #77D542

tetradic

#4277D5 #D542C1 #D5A042 #42D556

square

#4277D5 #D542C1 #D5A042 #42D556

split-complementary

#4277D5 #D55642 #C1D542

monochromatic

#1C4080 #285AB2 #4277D5 #749BE0 #A6BFEB

Accessibility & contrast

On white

4.35

#4277D5 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.83

#4277D5 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4277D5

4.83:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4277D5	#FFFFFF	#000000	##000000
##4277D5	1.00	4.35	4.83	4.83
#FFFFFF	4.35	1.00	21.00	21.00
#000000	4.83	21.00	1.00	1.00
##000000	4.83	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#4980D9

Deuteranopia (green-blind)

#2E73D3

Tritanopia (blue-blind)

#008D9B

Achromatopsia (no color)

#797979

Design tokens & code

CSS

--color: #4277d5;
/* rgb */ color: rgb(66, 119, 213);
/* oklch */ color: oklch(58.1% 0.155 260.9);

Tailwind

colors: {
  custom: {
    50: '#879de2',
    500: '#4277d5',
    950: '#000000',
  },
}

SCSS

$custom: #4277d5;
$custom-light: #879de2;
$custom-dark: #000000;

JSON

{
  "hex": "#4277d5",
  "rgb": {
    "r": 66,
    "g": 119,
    "b": 213
  },
  "hsl": {
    "h": 218.367,
    "s": 63.636,
    "l": 54.706
  },
  "oklch": {
    "l": 0.58068,
    "c": 0.15519,
    "h": 260.9
  },
  "luminance": 0.19156
}

Semantic roles & 50–950 ramp

primary

#4277D5

secondary

#D8C29A

accent

#AB41E7

background

#F8F9FD

surface

#F0F2FB

border

#CBCCD4

text

#0D0E15

muted

#7D7E83

Preview Lab

Preview with #4277D5

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

Preview Lab → · Contrast checker → · Palette generator →