#284D79#284D79

#284D79 is a dark, moderate cyan. Relative luminance 0.071; OKLCH L 41.5% C 0.085 H 254.0°. Best body text is #FFFFFF at 8.65:1 contrast (WCAG AA passes).

Color values

HEX	#284D79
RGB	rgb(40, 77, 121)
HSL	hsl(213, 50%, 32%)
HSV	hsv(213, 67%, 47%)
CMYK	cmyk(66.9%, 36.4%, 0%, 52.5%)
CIE-LAB	lab(32.12, 1.96, -28.98)
CIE-LCH	lch(32.12, 29.05, 273.86°)
OKLab	oklab(41.5% -0.0236 -0.0821)
OKLCH	oklch(41.5% 0.085 254)
XYZ	xyz(6.9789, 7.1387, 19.0956)
Luminance	0.0714 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#284D79 #795428

analogous

#287679 #284D79 #2C2879

triadic

#284D79 #79284D #4D7928

tetradic

#284D79 #792876 #795428 #28792C

square

#284D79 #792876 #795428 #28792C

split-complementary

#284D79 #792C28 #767928

monochromatic

#0A121D #19304B #284D79 #376AA7 #5589C7

Accessibility & contrast

On white

8.65

#284D79 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.43

#284D79 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #284D79

8.65:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##284D79	#FFFFFF	#000000	##FFFFFF
##284D79	1.00	8.65	2.43	8.65
#FFFFFF	8.65	1.00	21.00	1.00
#000000	2.43	21.00	1.00	21.00
##FFFFFF	8.65	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3A507B

Deuteranopia (green-blind)

#2F4878

Tritanopia (blue-blind)

#00575D

Achromatopsia (no color)

#4C4C4C

Design tokens & code

CSS

--color: #284d79;
/* rgb */ color: rgb(40, 77, 121);
/* oklch */ color: oklch(41.5% 0.085 254.0);

Tailwind

colors: {
  custom: {
    50: '#6b7ea0',
    500: '#284d79',
    950: '#000000',
  },
}

SCSS

$custom: #284d79;
$custom-light: #6b7ea0;
$custom-dark: #000000;

JSON

{
  "hex": "#284d79",
  "rgb": {
    "r": 40,
    "g": 77,
    "b": 121
  },
  "hsl": {
    "h": 212.593,
    "s": 50.311,
    "l": 31.569
  },
  "oklch": {
    "l": 0.41501,
    "c": 0.08546,
    "h": 254
  },
  "luminance": 0.07139
}

Semantic roles & 50–950 ramp

primary

#284D79

secondary

#AB8252

accent

#9A4EDA

background

#F6F7F9

surface

#ECEEF2

border

#C7C9CC

text

#07090E

muted

#7A7B7E

Preview Lab

Preview with #284D79

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

Preview Lab → · Contrast checker → · Palette generator →