#4283A8#4283A8

#4283A8 is a mid, moderate cyan. Relative luminance 0.202; OKLCH L 58.3% C 0.087 H 235.9°. Best body text is #000000 at 5.04:1 contrast (WCAG AA passes).

Color values

HEX	#4283A8
RGB	rgb(66, 131, 168)
HSL	hsl(202, 44%, 46%)
HSV	hsv(202, 61%, 66%)
CMYK	cmyk(60.7%, 22%, 0%, 34.1%)
CIE-LAB	lab(52.08, -9.39, -25.89)
CIE-LCH	lch(52.08, 27.54, 250.06°)
OKLab	oklab(58.28% -0.049 -0.0724)
OKLCH	oklch(58.28% 0.087 235.9)
XYZ	xyz(17.4283, 20.2163, 40.0219)
Luminance	0.2022 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4283A8 #A86742

analogous

#42A89A #4283A8 #4250A8

triadic

#4283A8 #A84283 #83A842

tetradic

#4283A8 #9A42A8 #A86742 #50A842

square

#4283A8 #9A42A8 #A86742 #50A842

split-complementary

#4283A8 #A84250 #A89A42

monochromatic

#1F3E50 #31617C #4283A8 #65A0C2 #91BBD4

Accessibility & contrast

On white

4.16

#4283A8 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.04

#4283A8 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4283A8

5.04:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4283A8	#FFFFFF	#000000	##000000
##4283A8	1.00	4.16	5.04	5.04
#FFFFFF	4.16	1.00	21.00	21.00
#000000	5.04	21.00	1.00	1.00
##000000	5.04	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7282AA

Deuteranopia (green-blind)

#6378A7

Tritanopia (blue-blind)

#008D8F

Achromatopsia (no color)

#7C7C7C

Design tokens & code

CSS

--color: #4283a8;
/* rgb */ color: rgb(66, 131, 168);
/* oklch */ color: oklch(58.3% 0.087 235.9);

Tailwind

colors: {
  custom: {
    50: '#80a7c2',
    500: '#4283a8',
    950: '#000000',
  },
}

SCSS

$custom: #4283a8;
$custom-light: #80a7c2;
$custom-dark: #000000;

JSON

{
  "hex": "#4283a8",
  "rgb": {
    "r": 66,
    "g": 131,
    "b": 168
  },
  "hsl": {
    "h": 201.765,
    "s": 43.59,
    "l": 45.882
  },
  "oklch": {
    "l": 0.58279,
    "c": 0.08745,
    "h": 235.9
  },
  "luminance": 0.20218
}

Semantic roles & 50–950 ramp

primary

#4283A8

secondary

#BF9B87

accent

#8254D3

background

#F8FAFB

surface

#EFF4F7

border

#CACED0

text

#0B0F12

muted

#7C7F81

Preview Lab

Preview with #4283A8

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

Preview Lab → · Contrast checker → · Palette generator →