#284E7D#284E7D

#284E7D is a dark, moderate cyan. Relative luminance 0.074; OKLCH L 42.0% C 0.090 H 254.8°. Best body text is #FFFFFF at 8.48:1 contrast (WCAG AA passes).

Color values

HEX	#284E7D
RGB	rgb(40, 78, 125)
HSL	hsl(213, 52%, 32%)
HSV	hsv(213, 68%, 49%)
CMYK	cmyk(68%, 37.6%, 0%, 51%)
CIE-LAB	lab(32.66, 2.81, -30.62)
CIE-LCH	lch(32.66, 30.75, 275.24°)
OKLab	oklab(41.99% -0.0236 -0.0869)
OKLCH	oklch(41.99% 0.09 254.8)
XYZ	xyz(7.2998, 7.3798, 20.4378)
Luminance	0.0738 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#284E7D #7D5728

analogous

#28797D #284E7D #2C287D

triadic

#284E7D #7D284E #4E7D28

tetradic

#284E7D #7D2879 #7D5728 #287D2C

square

#284E7D #7D2879 #7D5728 #287D2C

split-complementary

#284E7D #7D2C28 #797D28

monochromatic

#0A1420 #19314F #284E7D #376BAB #568AC9

Accessibility & contrast

On white

8.48

#284E7D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.48

#284E7D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #284E7D

8.48:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##284E7D	#FFFFFF	#000000	##FFFFFF
##284E7D	1.00	8.48	2.48	8.48
#FFFFFF	8.48	1.00	21.00	1.00
#000000	2.48	21.00	1.00	21.00
##FFFFFF	8.48	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#39517F

Deuteranopia (green-blind)

#2D497C

Tritanopia (blue-blind)

#00595F

Achromatopsia (no color)

#4D4D4D

Design tokens & code

CSS

--color: #284e7d;
/* rgb */ color: rgb(40, 78, 125);
/* oklch */ color: oklch(42.0% 0.090 254.8);

Tailwind

colors: {
  custom: {
    50: '#6c7fa3',
    500: '#284e7d',
    950: '#000000',
  },
}

SCSS

$custom: #284e7d;
$custom-light: #6c7fa3;
$custom-dark: #000000;

JSON

{
  "hex": "#284e7d",
  "rgb": {
    "r": 40,
    "g": 78,
    "b": 125
  },
  "hsl": {
    "h": 213.176,
    "s": 51.515,
    "l": 32.353
  },
  "oklch": {
    "l": 0.41992,
    "c": 0.09006,
    "h": 254.8
  },
  "luminance": 0.07381
}

Semantic roles & 50–950 ramp

primary

#284E7D

secondary

#AE8553

accent

#9B4DDB

background

#F6F7FA

surface

#ECEEF3

border

#C7C9CD

text

#070A0F

muted

#7A7C7F

Preview Lab

Preview with #284E7D

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

Preview Lab → · Contrast checker → · Palette generator →