#4281B2#4281B2

#4281B2 is a mid, moderate cyan. Relative luminance 0.201; OKLCH L 58.3% C 0.100 H 244.2°. Best body text is #000000 at 5.01:1 contrast (WCAG AA passes).

Color values

HEX	#4281B2
RGB	rgb(66, 129, 178)
HSL	hsl(206, 46%, 48%)
HSV	hsv(206, 63%, 70%)
CMYK	cmyk(62.9%, 27.5%, 0%, 30.2%)
CIE-LAB	lab(51.92, -4.93, -31.91)
CIE-LCH	lch(51.92, 32.29, 261.22°)
OKLab	oklab(58.29% -0.0434 -0.0898)
OKLCH	oklch(58.29% 0.1 244.2)
XYZ	xyz(18.1299, 20.0714, 45.0296)
Luminance	0.2007 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4281B2 #B27342

analogous

#42B2AB #4281B2 #4249B2

triadic

#4281B2 #B24281 #81B242

tetradic

#4281B2 #AB42B2 #B27342 #49B242

square

#4281B2 #AB42B2 #B27342 #49B242

split-complementary

#4281B2 #B24249 #B2AB42

monochromatic

#214059 #316185 #4281B2 #6A9EC8 #96BBD8

Accessibility & contrast

On white

4.19

#4281B2 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.01

#4281B2 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4281B2

5.01:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4281B2	#FFFFFF	#000000	##000000
##4281B2	1.00	4.19	5.01	5.01
#FFFFFF	4.19	1.00	21.00	21.00
#000000	5.01	21.00	1.00	1.00
##000000	5.01	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6B82B4

Deuteranopia (green-blind)

#5C77B1

Tritanopia (blue-blind)

#008D92

Achromatopsia (no color)

#7C7C7C

Design tokens & code

CSS

--color: #4281b2;
/* rgb */ color: rgb(66, 129, 178);
/* oklch */ color: oklch(58.3% 0.100 244.2);

Tailwind

colors: {
  custom: {
    50: '#81a5c9',
    500: '#4281b2',
    950: '#000000',
  },
}

SCSS

$custom: #4281b2;
$custom-light: #81a5c9;
$custom-dark: #000000;

JSON

{
  "hex": "#4281b2",
  "rgb": {
    "r": 66,
    "g": 129,
    "b": 178
  },
  "hsl": {
    "h": 206.25,
    "s": 45.902,
    "l": 47.843
  },
  "oklch": {
    "l": 0.58294,
    "c": 0.09972,
    "h": 244.2
  },
  "luminance": 0.20073
}

Semantic roles & 50–950 ramp

primary

#4281B2

secondary

#C4A48C

accent

#8C52D6

background

#F8FAFC

surface

#EFF4F8

border

#CACED1

text

#0B0F13

muted

#7C7F82

Preview Lab

Preview with #4281B2

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

Preview Lab → · Contrast checker → · Palette generator →