#4281D7#4281D7

#4281D7 is a mid, vivid cyan. Relative luminance 0.218; OKLCH L 60.4% C 0.147 H 256.8°. Best body text is #000000 at 5.35:1 contrast (WCAG AA passes).

Color values

HEX	#4281D7
RGB	rgb(66, 129, 215)
HSL	hsl(215, 65%, 55%)
HSV	hsv(215, 69%, 84%)
CMYK	cmyk(69.3%, 40%, 0%, 15.7%)
CIE-LAB	lab(53.77, 7.90, -50.06)
CIE-LCH	lch(53.77, 50.68, 278.97°)
OKLab	oklab(60.36% -0.0334 -0.1428)
OKLCH	oklch(60.36% 0.147 256.8)
XYZ	xyz(22.3583, 21.7627, 67.2991)
Luminance	0.2177 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4281D7 #D79842

analogous

#42CCD7 #4281D7 #4D42D7

triadic

#4281D7 #D74281 #81D742

tetradic

#4281D7 #D742CC #D79842 #42D74D

square

#4281D7 #D742CC #D79842 #42D74D

split-complementary

#4281D7 #D74D42 #CCD742

monochromatic

#1C4783 #2663B5 #4281D7 #75A3E2 #A7C4EC

Accessibility & contrast

On white

3.92

#4281D7 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.35

#4281D7 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4281D7

5.35:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4281D7	#FFFFFF	#000000	##000000
##4281D7	1.00	3.92	5.35	5.35
#FFFFFF	3.92	1.00	21.00	21.00
#000000	5.35	21.00	1.00	1.00
##000000	5.35	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5988DA

Deuteranopia (green-blind)

#427AD5

Tritanopia (blue-blind)

#0095A1

Achromatopsia (no color)

#808080

Design tokens & code

CSS

--color: #4281d7;
/* rgb */ color: rgb(66, 129, 215);
/* oklch */ color: oklch(60.4% 0.147 256.8);

Tailwind

colors: {
  custom: {
    50: '#87a5e4',
    500: '#4281d7',
    950: '#000000',
  },
}

SCSS

$custom: #4281d7;
$custom-light: #87a5e4;
$custom-dark: #000000;

JSON

{
  "hex": "#4281d7",
  "rgb": {
    "r": 66,
    "g": 129,
    "b": 215
  },
  "hsl": {
    "h": 214.631,
    "s": 65.066,
    "l": 55.098
  },
  "oklch": {
    "l": 0.60355,
    "c": 0.14662,
    "h": 256.8
  },
  "luminance": 0.21765
}

Semantic roles & 50–950 ramp

primary

#4281D7

secondary

#DABF9B

accent

#A140E8

background

#F8FAFE

surface

#F0F4FC

border

#CBCED5

text

#0D0F15

muted

#7D7F84

Preview Lab

Preview with #4281D7

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

Preview Lab → · Contrast checker → · Palette generator →