#4281AC#4281AC

#4281AC is a mid, moderate cyan. Relative luminance 0.198; OKLCH L 58.0% C 0.093 H 240.8°. Best body text is #000000 at 4.97:1 contrast (WCAG AA passes).

Color values

HEX	#4281AC
RGB	rgb(66, 129, 172)
HSL	hsl(204, 45%, 47%)
HSV	hsv(204, 62%, 67%)
CMYK	cmyk(61.6%, 25%, 0%, 32.5%)
CIE-LAB	lab(51.65, -6.93, -28.86)
CIE-LCH	lch(51.65, 29.68, 256.50°)
OKLab	oklab(58% -0.0454 -0.081)
OKLCH	oklch(58% 0.093 240.8)
XYZ	xyz(17.5406, 19.8356, 41.9260)
Luminance	0.1984 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4281AC #AC6D42

analogous

#42ACA2 #4281AC #424CAC

triadic

#4281AC #AC4281 #81AC42

tetradic

#4281AC #A242AC #AC6D42 #4CAC42

square

#4281AC #A242AC #AC6D42 #4CAC42

split-complementary

#4281AC #AC424C #ACA242

monochromatic

#203F54 #316080 #4281AC #679EC5 #93BAD6

Accessibility & contrast

On white

4.23

#4281AC on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.97

#4281AC on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4281AC

4.97:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4281AC	#FFFFFF	#000000	##000000
##4281AC	1.00	4.23	4.97	4.97
#FFFFFF	4.23	1.00	21.00	21.00
#000000	4.97	21.00	1.00	1.00
##000000	4.97	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6E81AE

Deuteranopia (green-blind)

#5F76AB

Tritanopia (blue-blind)

#008C90

Achromatopsia (no color)

#7B7B7B

Design tokens & code

CSS

--color: #4281ac;
/* rgb */ color: rgb(66, 129, 172);
/* oklch */ color: oklch(58.0% 0.093 240.8);

Tailwind

colors: {
  custom: {
    50: '#80a5c5',
    500: '#4281ac',
    950: '#000000',
  },
}

SCSS

$custom: #4281ac;
$custom-light: #80a5c5;
$custom-dark: #000000;

JSON

{
  "hex": "#4281ac",
  "rgb": {
    "r": 66,
    "g": 129,
    "b": 172
  },
  "hsl": {
    "h": 204.34,
    "s": 44.538,
    "l": 46.667
  },
  "oklch": {
    "l": 0.57995,
    "c": 0.09284,
    "h": 240.8
  },
  "luminance": 0.19837
}

Semantic roles & 50–950 ramp

primary

#4281AC

secondary

#C1A089

accent

#8854D4

background

#F8FAFC

surface

#EFF4F8

border

#CACED1

text

#0B0F12

muted

#7C7F81

Preview Lab

Preview with #4281AC

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

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