#284D7A#284D7A

#284D7A is a dark, moderate cyan. Relative luminance 0.072; OKLCH L 41.6% C 0.087 H 254.5°. Best body text is #FFFFFF at 8.63:1 contrast (WCAG AA passes).

Color values

HEX	#284D7A
RGB	rgb(40, 77, 122)
HSL	hsl(213, 51%, 32%)
HSV	hsv(213, 67%, 48%)
CMYK	cmyk(67.2%, 36.9%, 0%, 52.2%)
CIE-LAB	lab(32.18, 2.33, -29.52)
CIE-LCH	lch(32.18, 29.61, 274.52°)
OKLab	oklab(41.56% -0.0233 -0.0837)
OKLCH	oklch(41.56% 0.087 254.5)
XYZ	xyz(7.0405, 7.1633, 19.4202)
Luminance	0.0716 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#284D7A #7A5528

analogous

#28767A #284D7A #2C287A

triadic

#284D7A #7A284D #4D7A28

tetradic

#284D7A #7A2876 #7A5528 #287A2C

square

#284D7A #7A2876 #7A5528 #287A2C

split-complementary

#284D7A #7A2C28 #767A28

monochromatic

#0A131E #19304C #284D7A #376AA8 #5589C7

Accessibility & contrast

On white

8.63

#284D7A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.43

#284D7A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #284D7A

8.63:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##284D7A	#FFFFFF	#000000	##FFFFFF
##284D7A	1.00	8.63	2.43	8.63
#FFFFFF	8.63	1.00	21.00	1.00
#000000	2.43	21.00	1.00	21.00
##FFFFFF	8.63	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#39507C

Deuteranopia (green-blind)

#2E4879

Tritanopia (blue-blind)

#00575D

Achromatopsia (no color)

#4C4C4C

Design tokens & code

CSS

--color: #284d7a;
/* rgb */ color: rgb(40, 77, 122);
/* oklch */ color: oklch(41.6% 0.087 254.5);

Tailwind

colors: {
  custom: {
    50: '#6b7ea0',
    500: '#284d7a',
    950: '#000000',
  },
}

SCSS

$custom: #284d7a;
$custom-light: #6b7ea0;
$custom-dark: #000000;

JSON

{
  "hex": "#284d7a",
  "rgb": {
    "r": 40,
    "g": 77,
    "b": 122
  },
  "hsl": {
    "h": 212.927,
    "s": 50.617,
    "l": 31.765
  },
  "oklch": {
    "l": 0.41562,
    "c": 0.08689,
    "h": 254.5
  },
  "luminance": 0.07164
}

Semantic roles & 50–950 ramp

primary

#284D7A

secondary

#AC8352

accent

#9B4EDA

background

#F6F7F9

surface

#ECEEF2

border

#C7C9CC

text

#07090F

muted

#7A7B7E

Preview Lab

Preview with #284D7A

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

Preview Lab → · Contrast checker → · Palette generator →