#284B65#284B65

#284B65 is a dark, moderate cyan. Relative luminance 0.064; OKLCH L 39.9% C 0.060 H 242.5°. Best body text is #FFFFFF at 9.19:1 contrast (WCAG AA passes).

Color values

HEX	#284B65
RGB	rgb(40, 75, 101)
HSL	hsl(206, 43%, 28%)
HSV	hsv(206, 60%, 40%)
CMYK	cmyk(60.4%, 25.7%, 0%, 60.4%)
CIE-LAB	lab(30.45, -4.07, -19.01)
CIE-LCH	lch(30.45, 19.44, 257.91°)
OKLab	oklab(39.85% -0.0278 -0.0532)
OKLCH	oklch(39.85% 0.06 242.5)
XYZ	xyz(5.7393, 6.4223, 13.2466)
Luminance	0.0642 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#284B65 #654228

analogous

#286560 #284B65 #282C65

triadic

#284B65 #65284B #4B6528

tetradic

#284B65 #602865 #654228 #2C6528

square

#284B65 #602865 #654228 #2C6528

split-complementary

#284B65 #65282C #656028

monochromatic

#091016 #172A39 #284B65 #396C91 #4E8CB9

Accessibility & contrast

On white

9.19

#284B65 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.28

#284B65 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #284B65

9.19:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##284B65	#FFFFFF	#000000	##FFFFFF
##284B65	1.00	9.19	2.28	9.19
#FFFFFF	9.19	1.00	21.00	1.00
#000000	2.28	21.00	1.00	21.00
##FFFFFF	9.19	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#404B66

Deuteranopia (green-blind)

#374565

Tritanopia (blue-blind)

#005154

Achromatopsia (no color)

#484848

Design tokens & code

CSS

--color: #284b65;
/* rgb */ color: rgb(40, 75, 101);
/* oklch */ color: oklch(39.9% 0.060 242.5);

Tailwind

colors: {
  custom: {
    50: '#687d91',
    500: '#284b65',
    950: '#000000',
  },
}

SCSS

$custom: #284b65;
$custom-light: #687d91;
$custom-dark: #000000;

JSON

{
  "hex": "#284b65",
  "rgb": {
    "r": 40,
    "g": 75,
    "b": 101
  },
  "hsl": {
    "h": 205.574,
    "s": 43.262,
    "l": 27.647
  },
  "oklch": {
    "l": 0.39854,
    "c": 0.06004,
    "h": 242.5
  },
  "luminance": 0.06423
}

Semantic roles & 50–950 ramp

primary

#284B65

secondary

#986F51

accent

#8B55D3

background

#F6F7F8

surface

#EBEEF0

border

#C6C9CB

text

#06090C

muted

#7A7B7D

Preview Lab

Preview with #284B65

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

Preview Lab → · Contrast checker → · Palette generator →