#284D7D#284D7D

#284D7D is a dark, moderate cyan. Relative luminance 0.072; OKLCH L 41.7% C 0.091 H 255.8°. Best body text is #FFFFFF at 8.58:1 contrast (WCAG AA passes).

Color values

HEX	#284D7D
RGB	rgb(40, 77, 125)
HSL	hsl(214, 52%, 32%)
HSV	hsv(214, 68%, 49%)
CMYK	cmyk(68%, 38.4%, 0%, 51%)
CIE-LAB	lab(32.34, 3.47, -31.12)
CIE-LCH	lch(32.34, 31.31, 276.36°)
OKLab	oklab(41.75% -0.0224 -0.0884)
OKLCH	oklch(41.75% 0.091 255.8)
XYZ	xyz(7.2293, 7.2388, 20.4143)
Luminance	0.0724 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#284D7D #7D5828

analogous

#28787D #284D7D #2D287D

triadic

#284D7D #7D284D #4D7D28

tetradic

#284D7D #7D2878 #7D5828 #287D2D

square

#284D7D #7D2878 #7D5828 #287D2D

split-complementary

#284D7D #7D2D28 #787D28

monochromatic

#0A1420 #19304F #284D7D #376AAB #5688C9

Accessibility & contrast

On white

8.58

#284D7D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.45

#284D7D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #284D7D

8.58:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##284D7D	#FFFFFF	#000000	##FFFFFF
##284D7D	1.00	8.58	2.45	8.58
#FFFFFF	8.58	1.00	21.00	1.00
#000000	2.45	21.00	1.00	21.00
##FFFFFF	8.58	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#38507F

Deuteranopia (green-blind)

#2C487C

Tritanopia (blue-blind)

#00585F

Achromatopsia (no color)

#4C4C4C

Design tokens & code

CSS

--color: #284d7d;
/* rgb */ color: rgb(40, 77, 125);
/* oklch */ color: oklch(41.7% 0.091 255.8);

Tailwind

colors: {
  custom: {
    50: '#6c7ea3',
    500: '#284d7d',
    950: '#000000',
  },
}

SCSS

$custom: #284d7d;
$custom-light: #6c7ea3;
$custom-dark: #000000;

JSON

{
  "hex": "#284d7d",
  "rgb": {
    "r": 40,
    "g": 77,
    "b": 125
  },
  "hsl": {
    "h": 213.882,
    "s": 51.515,
    "l": 32.353
  },
  "oklch": {
    "l": 0.41749,
    "c": 0.09119,
    "h": 255.8
  },
  "luminance": 0.0724
}

Semantic roles & 50–950 ramp

primary

#284D7D

secondary

#AE8653

accent

#9D4DDB

background

#F6F7FA

surface

#ECEEF3

border

#C7C9CD

text

#07090F

muted

#7A7B7F

Preview Lab

Preview with #284D7D

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

Preview Lab → · Contrast checker → · Palette generator →