#284663#284663

#284663 is a dark, moderate cyan. Relative luminance 0.057; OKLCH L 38.5% C 0.061 H 248.9°. Best body text is #FFFFFF at 9.78:1 contrast (WCAG AA passes).

Color values

HEX	#284663
RGB	rgb(40, 70, 99)
HSL	hsl(209, 42%, 27%)
HSV	hsv(209, 60%, 39%)
CMYK	cmyk(59.6%, 29.3%, 0%, 61.2%)
CIE-LAB	lab(28.73, -1.56, -20.42)
CIE-LCH	lch(28.73, 20.48, 265.63°)
OKLab	oklab(38.46% -0.0221 -0.0573)
OKLCH	oklch(38.46% 0.061 248.9)
XYZ	xyz(5.3166, 5.7318, 12.6281)
Luminance	0.0573 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#284663 #634528

analogous

#286363 #284663 #282863

triadic

#284663 #632846 #466328

tetradic

#284663 #632863 #634528 #286328

square

#284663 #632863 #634528 #286328

split-complementary

#284663 #632828 #636328

monochromatic

#090F16 #162737 #284663 #3A658F #4E84B7

Accessibility & contrast

On white

9.78

#284663 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.15

#284663 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #284663

9.78:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##284663	#FFFFFF	#000000	##FFFFFF
##284663	1.00	9.78	2.15	9.78
#FFFFFF	9.78	1.00	21.00	1.00
#000000	2.15	21.00	1.00	21.00
##FFFFFF	9.78	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3A4764

Deuteranopia (green-blind)

#324162

Tritanopia (blue-blind)

#004D50

Achromatopsia (no color)

#444444

Design tokens & code

CSS

--color: #284663;
/* rgb */ color: rgb(40, 70, 99);
/* oklch */ color: oklch(38.5% 0.061 248.9);

Tailwind

colors: {
  custom: {
    50: '#67798f',
    500: '#284663',
    950: '#000000',
  },
}

SCSS

$custom: #284663;
$custom-light: #67798f;
$custom-dark: #000000;

JSON

{
  "hex": "#284663",
  "rgb": {
    "r": 40,
    "g": 70,
    "b": 99
  },
  "hsl": {
    "h": 209.492,
    "s": 42.446,
    "l": 27.255
  },
  "oklch": {
    "l": 0.38459,
    "c": 0.06145,
    "h": 248.9
  },
  "luminance": 0.05732
}

Semantic roles & 50–950 ramp

primary

#284663

secondary

#967351

accent

#9356D2

background

#F6F7F8

surface

#EBEDF0

border

#C6C8CB

text

#06090C

muted

#7A7B7D

Preview Lab

Preview with #284663

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

Preview Lab → · Contrast checker → · Palette generator →