#4277DA#4277DA

#4277DA is a mid, vivid blue. Relative luminance 0.194; OKLCH L 58.4% C 0.162 H 261.6°. Best body text is #000000 at 4.88:1 contrast (WCAG AA passes).

Color values

HEX	#4277DA
RGB	rgb(66, 119, 218)
HSL	hsl(219, 67%, 56%)
HSV	hsv(219, 70%, 85%)
CMYK	cmyk(69.7%, 45.4%, 0%, 14.5%)
CIE-LAB	lab(51.17, 15.12, -55.93)
CIE-LCH	lch(51.17, 57.93, 285.13°)
OKLab	oklab(58.39% -0.0236 -0.1601)
OKLCH	oklch(58.39% 0.162 261.6)
XYZ	xyz(21.4940, 19.4116, 68.9301)
Luminance	0.1941 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4277DA #DAA542

analogous

#42C3DA #4277DA #5942DA

triadic

#4277DA #DA4277 #77DA42

tetradic

#4277DA #DA42C3 #DAA542 #42DA59

square

#4277DA #DA42C3 #DAA542 #42DA59

split-complementary

#4277DA #DA5942 #C3DA42

monochromatic

#1A4087 #2459BA #4277DA #759CE4 #A8C1EE

Accessibility & contrast

On white

4.30

#4277DA on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.88

#4277DA on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4277DA

4.88:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4277DA	#FFFFFF	#000000	##000000
##4277DA	1.00	4.30	4.88	4.88
#FFFFFF	4.30	1.00	21.00	21.00
#000000	4.88	21.00	1.00	1.00
##000000	4.88	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#4581DE

Deuteranopia (green-blind)

#2673D8

Tritanopia (blue-blind)

#008E9E

Achromatopsia (no color)

#7A7A7A

Design tokens & code

CSS

--color: #4277da;
/* rgb */ color: rgb(66, 119, 218);
/* oklch */ color: oklch(58.4% 0.162 261.6);

Tailwind

colors: {
  custom: {
    50: '#889de6',
    500: '#4277da',
    950: '#000000',
  },
}

SCSS

$custom: #4277da;
$custom-light: #889de6;
$custom-dark: #000000;

JSON

{
  "hex": "#4277da",
  "rgb": {
    "r": 66,
    "g": 119,
    "b": 218
  },
  "hsl": {
    "h": 219.079,
    "s": 67.257,
    "l": 55.686
  },
  "oklch": {
    "l": 0.58394,
    "c": 0.16189,
    "h": 261.6
  },
  "luminance": 0.19414
}

Semantic roles & 50–950 ramp

primary

#4277DA

secondary

#DBC59C

accent

#AE3EEA

background

#F9F9FE

surface

#F1F2FC

border

#CBCCD5

text

#0D0E16

muted

#7E7E84

Preview Lab

Preview with #4277DA

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

Preview Lab → · Contrast checker → · Palette generator →