#284F7D#284F7D

#284F7D is a dark, moderate cyan. Relative luminance 0.075; OKLCH L 42.2% C 0.089 H 253.9°. Best body text is #FFFFFF at 8.38:1 contrast (WCAG AA passes).

Color values

HEX	#284F7D
RGB	rgb(40, 79, 125)
HSL	hsl(212, 52%, 32%)
HSV	hsv(212, 68%, 49%)
CMYK	cmyk(68%, 36.8%, 0%, 51%)
CIE-LAB	lab(32.97, 2.15, -30.13)
CIE-LCH	lch(32.97, 30.20, 274.09°)
OKLab	oklab(42.24% -0.0247 -0.0855)
OKLCH	oklch(42.24% 0.089 253.9)
XYZ	xyz(7.3714, 7.5230, 20.4617)
Luminance	0.0752 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#284F7D #7D5628

analogous

#28797D #284F7D #2C287D

triadic

#284F7D #7D284F #4F7D28

tetradic

#284F7D #7D2879 #7D5628 #287D2C

square

#284F7D #7D2879 #7D5628 #287D2C

split-complementary

#284F7D #7D2C28 #797D28

monochromatic

#0A1420 #19324F #284F7D #376CAB #568BC9

Accessibility & contrast

On white

8.38

#284F7D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.50

#284F7D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #284F7D

8.38:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##284F7D	#FFFFFF	#000000	##FFFFFF
##284F7D	1.00	8.38	2.50	8.38
#FFFFFF	8.38	1.00	21.00	1.00
#000000	2.50	21.00	1.00	21.00
##FFFFFF	8.38	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3B527F

Deuteranopia (green-blind)

#2F4A7C

Tritanopia (blue-blind)

#005A60

Achromatopsia (no color)

#4E4E4E

Design tokens & code

CSS

--color: #284f7d;
/* rgb */ color: rgb(40, 79, 125);
/* oklch */ color: oklch(42.2% 0.089 253.9);

Tailwind

colors: {
  custom: {
    50: '#6c80a3',
    500: '#284f7d',
    950: '#000000',
  },
}

SCSS

$custom: #284f7d;
$custom-light: #6c80a3;
$custom-dark: #000000;

JSON

{
  "hex": "#284f7d",
  "rgb": {
    "r": 40,
    "g": 79,
    "b": 125
  },
  "hsl": {
    "h": 212.471,
    "s": 51.515,
    "l": 32.353
  },
  "oklch": {
    "l": 0.42237,
    "c": 0.08896,
    "h": 253.9
  },
  "luminance": 0.07524
}

Semantic roles & 50–950 ramp

primary

#284F7D

secondary

#AE8453

accent

#9A4DDB

background

#F6F7FA

surface

#ECEEF3

border

#C7C9CD

text

#070A0F

muted

#7A7C7F

Preview Lab

Preview with #284F7D

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

Preview Lab → · Contrast checker → · Palette generator →