#284155#284155

#284155 is a dark, muted cyan. Relative luminance 0.049; OKLCH L 36.4% C 0.047 H 243.7°. Best body text is #FFFFFF at 10.62:1 contrast (WCAG AA passes).

Color values

HEX	#284155
RGB	rgb(40, 65, 85)
HSL	hsl(207, 36%, 25%)
HSV	hsv(207, 53%, 33%)
CMYK	cmyk(52.9%, 23.5%, 0%, 66.7%)
CIE-LAB	lab(26.41, -3.21, -14.97)
CIE-LCH	lch(26.41, 15.31, 257.88°)
OKLab	oklab(36.41% -0.0206 -0.0417)
OKLCH	oklch(36.41% 0.047 243.7)
XYZ	xyz(4.4045, 4.8873, 9.3038)
Luminance	0.0489 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#284155 #553C28

analogous

#285553 #284155 #282B55

triadic

#284155 #552841 #415528

tetradic

#284155 #532855 #553C28 #2B5528

square

#284155 #532855 #553C28 #2B5528

split-complementary

#284155 #55282B #555328

monochromatic

#0A1015 #14212B #284155 #3C617F #4F81A8

Accessibility & contrast

On white

10.62

#284155 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.98

#284155 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #284155

10.62:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##284155	#FFFFFF	#000000	##FFFFFF
##284155	1.00	10.62	1.98	10.62
#FFFFFF	10.62	1.00	21.00	1.00
#000000	1.98	21.00	1.00	21.00
##FFFFFF	10.62	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#394156

Deuteranopia (green-blind)

#333C55

Tritanopia (blue-blind)

#134648

Achromatopsia (no color)

#3E3E3E

Design tokens & code

CSS

--color: #284155;
/* rgb */ color: rgb(40, 65, 85);
/* oklch */ color: oklch(36.4% 0.047 243.7);

Tailwind

colors: {
  custom: {
    50: '#657585',
    500: '#284155',
    950: '#000000',
  },
}

SCSS

$custom: #284155;
$custom-light: #657585;
$custom-dark: #000000;

JSON

{
  "hex": "#284155",
  "rgb": {
    "r": 40,
    "g": 65,
    "b": 85
  },
  "hsl": {
    "h": 206.667,
    "s": 36,
    "l": 24.51
  },
  "oklch": {
    "l": 0.36414,
    "c": 0.04651,
    "h": 243.7
  },
  "luminance": 0.04888
}

Semantic roles & 50–950 ramp

primary

#284155

secondary

#886951

accent

#8E5CCC

background

#F6F7F8

surface

#EBEDEF

border

#C6C8CA

text

#06080B

muted

#7A7B7C

Preview Lab

Preview with #284155

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

Preview Lab → · Contrast checker → · Palette generator →