#284C7D#284C7D

#284C7D is a dark, moderate cyan. Relative luminance 0.071; OKLCH L 41.5% C 0.092 H 256.6°. Best body text is #FFFFFF at 8.68:1 contrast (WCAG AA passes).

Color values

HEX	#284C7D
RGB	rgb(40, 76, 125)
HSL	hsl(215, 52%, 32%)
HSV	hsv(215, 68%, 49%)
CMYK	cmyk(68%, 39.2%, 0%, 51%)
CIE-LAB	lab(32.03, 4.13, -31.61)
CIE-LCH	lch(32.03, 31.88, 277.44°)
OKLab	oklab(41.51% -0.0213 -0.0898)
OKLCH	oklch(41.51% 0.092 256.6)
XYZ	xyz(7.1598, 7.1000, 20.3912)
Luminance	0.0710 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#284C7D #7D5928

analogous

#28777D #284C7D #2E287D

triadic

#284C7D #7D284C #4C7D28

tetradic

#284C7D #7D2877 #7D5928 #287D2E

square

#284C7D #7D2877 #7D5928 #287D2E

split-complementary

#284C7D #7D2E28 #777D28

monochromatic

#0A1420 #19304F #284C7D #3768AB #5687C9

Accessibility & contrast

On white

8.68

#284C7D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.42

#284C7D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #284C7D

8.68:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##284C7D	#FFFFFF	#000000	##FFFFFF
##284C7D	1.00	8.68	2.42	8.68
#FFFFFF	8.68	1.00	21.00	1.00
#000000	2.42	21.00	1.00	21.00
##FFFFFF	8.68	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#36507F

Deuteranopia (green-blind)

#2A487C

Tritanopia (blue-blind)

#00575E

Achromatopsia (no color)

#4B4B4B

Design tokens & code

CSS

--color: #284c7d;
/* rgb */ color: rgb(40, 76, 125);
/* oklch */ color: oklch(41.5% 0.092 256.6);

Tailwind

colors: {
  custom: {
    50: '#6c7da3',
    500: '#284c7d',
    950: '#000000',
  },
}

SCSS

$custom: #284c7d;
$custom-light: #6c7da3;
$custom-dark: #000000;

JSON

{
  "hex": "#284c7d",
  "rgb": {
    "r": 40,
    "g": 76,
    "b": 125
  },
  "hsl": {
    "h": 214.588,
    "s": 51.515,
    "l": 32.353
  },
  "oklch": {
    "l": 0.41507,
    "c": 0.09235,
    "h": 256.6
  },
  "luminance": 0.07101
}

Semantic roles & 50–950 ramp

primary

#284C7D

secondary

#AE8753

accent

#9F4DDB

background

#F6F7FA

surface

#ECEEF3

border

#C7C9CD

text

#07090F

muted

#7A7B7F

Preview Lab

Preview with #284C7D

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

Preview Lab → · Contrast checker → · Palette generator →