#4284BB#4284BB

#4284BB is a mid, moderate cyan. Relative luminance 0.212; OKLCH L 59.5% C 0.108 H 246.1°. Best body text is #000000 at 5.25:1 contrast (WCAG AA passes).

Color values

HEX	#4284BB
RGB	rgb(66, 132, 187)
HSL	hsl(207, 48%, 50%)
HSV	hsv(207, 65%, 73%)
CMYK	cmyk(64.7%, 29.4%, 0%, 26.7%)
CIE-LAB	lab(53.22, -3.64, -35.04)
CIE-LCH	lch(53.22, 35.23, 264.07°)
OKLab	oklab(59.46% -0.0437 -0.0988)
OKLCH	oklch(59.46% 0.108 246.1)
XYZ	xyz(19.4643, 21.2467, 50.0793)
Luminance	0.2125 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4284BB #BB7942

analogous

#42BBB6 #4284BB #4247BB

triadic

#4284BB #BB4284 #84BB42

tetradic

#4284BB #B642BB #BB7942 #47BB42

square

#4284BB #B642BB #BB7942 #47BB42

split-complementary

#4284BB #BB4247 #BBB642

monochromatic

#224461 #32648E #4284BB #6EA1CC #9CBFDC

Accessibility & contrast

On white

4.00

#4284BB on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.25

#4284BB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4284BB

5.25:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4284BB	#FFFFFF	#000000	##000000
##4284BB	1.00	4.00	5.25	5.25
#FFFFFF	4.00	1.00	21.00	21.00
#000000	5.25	21.00	1.00	1.00
##000000	5.25	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6C86BD

Deuteranopia (green-blind)

#5B7ABA

Tritanopia (blue-blind)

#009197

Achromatopsia (no color)

#7F7F7F

Design tokens & code

CSS

--color: #4284bb;
/* rgb */ color: rgb(66, 132, 187);
/* oklch */ color: oklch(59.5% 0.108 246.1);

Tailwind

colors: {
  custom: {
    50: '#82a7cf',
    500: '#4284bb',
    950: '#000000',
  },
}

SCSS

$custom: #4284bb;
$custom-light: #82a7cf;
$custom-dark: #000000;

JSON

{
  "hex": "#4284bb",
  "rgb": {
    "r": 66,
    "g": 132,
    "b": 187
  },
  "hsl": {
    "h": 207.273,
    "s": 47.826,
    "l": 49.608
  },
  "oklch": {
    "l": 0.59456,
    "c": 0.10809,
    "h": 246.1
  },
  "luminance": 0.21249
}

Semantic roles & 50–950 ramp

primary

#4284BB

secondary

#C8AA91

accent

#8E50D7

background

#F8FAFC

surface

#F0F4F9

border

#CBCED2

text

#0B0F14

muted

#7C7F82

Preview Lab

Preview with #4284BB

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

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