#4284BF#4284BF

#4284BF is a mid, moderate cyan. Relative luminance 0.214; OKLCH L 59.7% C 0.113 H 247.9°. Best body text is #000000 at 5.28:1 contrast (WCAG AA passes).

Color values

HEX	#4284BF
RGB	rgb(66, 132, 191)
HSL	hsl(208, 49%, 50%)
HSV	hsv(208, 65%, 75%)
CMYK	cmyk(65.4%, 30.9%, 0%, 25.1%)
CIE-LAB	lab(53.41, -2.27, -37.03)
CIE-LCH	lch(53.41, 37.10, 266.48°)
OKLab	oklab(59.67% -0.0425 -0.1046)
OKLCH	oklch(59.67% 0.113 247.9)
XYZ	xyz(19.8985, 21.4204, 52.3660)
Luminance	0.2142 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4284BF #BF7D42

analogous

#42BFBB #4284BF #4245BF

triadic

#4284BF #BF4284 #84BF42

tetradic

#4284BF #BB42BF #BF7D42 #45BF42

square

#4284BF #BB42BF #BF7D42 #45BF42

split-complementary

#4284BF #BF4245 #BFBB42

monochromatic

#224565 #326592 #4284BF #70A2CE #9DC0DE

Accessibility & contrast

On white

3.97

#4284BF on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.28

#4284BF on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4284BF

5.28:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4284BF	#FFFFFF	#000000	##000000
##4284BF	1.00	3.97	5.28	5.28
#FFFFFF	3.97	1.00	21.00	21.00
#000000	5.28	21.00	1.00	1.00
##000000	5.28	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6A86C2

Deuteranopia (green-blind)

#597ABE

Tritanopia (blue-blind)

#009299

Achromatopsia (no color)

#808080

Design tokens & code

CSS

--color: #4284bf;
/* rgb */ color: rgb(66, 132, 191);
/* oklch */ color: oklch(59.7% 0.113 247.9);

Tailwind

colors: {
  custom: {
    50: '#83a7d2',
    500: '#4284bf',
    950: '#000000',
  },
}

SCSS

$custom: #4284bf;
$custom-light: #83a7d2;
$custom-dark: #000000;

JSON

{
  "hex": "#4284bf",
  "rgb": {
    "r": 66,
    "g": 132,
    "b": 191
  },
  "hsl": {
    "h": 208.32,
    "s": 49.407,
    "l": 50.392
  },
  "oklch": {
    "l": 0.59666,
    "c": 0.11294,
    "h": 247.9
  },
  "luminance": 0.21422
}

Semantic roles & 50–950 ramp

primary

#4284BF

secondary

#CAAD93

accent

#904FD9

background

#F8FAFC

surface

#F0F4F9

border

#CBCED2

text

#0C0F14

muted

#7D7F82

Preview Lab

Preview with #4284BF

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

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