#4277D7#4277D7

#4277D7 is a mid, vivid blue. Relative luminance 0.193; OKLCH L 58.2% C 0.158 H 261.2°. Best body text is #000000 at 4.85:1 contrast (WCAG AA passes).

Color values

HEX	#4277D7
RGB	rgb(66, 119, 215)
HSL	hsl(219, 65%, 55%)
HSV	hsv(219, 69%, 84%)
CMYK	cmyk(69.3%, 44.7%, 0%, 15.7%)
CIE-LAB	lab(50.99, 14.04, -54.52)
CIE-LCH	lch(50.99, 56.30, 284.45°)
OKLab	oklab(58.2% -0.0241 -0.156)
OKLCH	oklch(58.2% 0.158 261.2)
XYZ	xyz(21.1050, 19.2560, 66.8813)
Luminance	0.1926 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4277D7 #D7A242

analogous

#42C1D7 #4277D7 #5842D7

triadic

#4277D7 #D74277 #77D742

tetradic

#4277D7 #D742C1 #D7A242 #42D758

square

#4277D7 #D742C1 #D7A242 #42D758

split-complementary

#4277D7 #D75842 #C1D742

monochromatic

#1C4083 #2659B5 #4277D7 #759BE2 #A7C0EC

Accessibility & contrast

On white

4.33

#4277D7 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.85

#4277D7 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4277D7

4.85:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4277D7	#FFFFFF	#000000	##000000
##4277D7	1.00	4.33	4.85	4.85
#FFFFFF	4.33	1.00	21.00	21.00
#000000	4.85	21.00	1.00	1.00
##000000	4.85	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#4781DB

Deuteranopia (green-blind)

#2B73D5

Tritanopia (blue-blind)

#008D9C

Achromatopsia (no color)

#797979

Design tokens & code

CSS

--color: #4277d7;
/* rgb */ color: rgb(66, 119, 215);
/* oklch */ color: oklch(58.2% 0.158 261.2);

Tailwind

colors: {
  custom: {
    50: '#879de4',
    500: '#4277d7',
    950: '#000000',
  },
}

SCSS

$custom: #4277d7;
$custom-light: #879de4;
$custom-dark: #000000;

JSON

{
  "hex": "#4277d7",
  "rgb": {
    "r": 66,
    "g": 119,
    "b": 215
  },
  "hsl": {
    "h": 218.658,
    "s": 65.066,
    "l": 55.098
  },
  "oklch": {
    "l": 0.58197,
    "c": 0.15787,
    "h": 261.2
  },
  "luminance": 0.19258
}

Semantic roles & 50–950 ramp

primary

#4277D7

secondary

#DAC39B

accent

#AC40E8

background

#F8F9FE

surface

#F0F2FC

border

#CBCCD5

text

#0D0E15

muted

#7D7E84

Preview Lab

Preview with #4277D7

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

Preview Lab → · Contrast checker → · Palette generator →