#284D75#284D75

#284D75 is a dark, moderate cyan. Relative luminance 0.070; OKLCH L 41.3% C 0.080 H 251.9°. Best body text is #FFFFFF at 8.72:1 contrast (WCAG AA passes).

Color values

HEX	#284D75
RGB	rgb(40, 77, 117)
HSL	hsl(211, 49%, 31%)
HSV	hsv(211, 66%, 46%)
CMYK	cmyk(65.8%, 34.2%, 0%, 54.1%)
CIE-LAB	lab(31.90, 0.46, -26.83)
CIE-LCH	lch(31.90, 26.83, 270.98°)
OKLab	oklab(41.26% -0.0247 -0.0759)
OKLCH	oklch(41.26% 0.08 251.9)
XYZ	xyz(6.7387, 7.0426, 17.8304)
Luminance	0.0704 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#284D75 #755028

analogous

#287375 #284D75 #292875

triadic

#284D75 #75284D #4D7528

tetradic

#284D75 #752873 #755028 #287529

square

#284D75 #752873 #755028 #287529

split-complementary

#284D75 #752928 #737528

monochromatic

#09111A #182F47 #284D75 #386BA3 #5389C4

Accessibility & contrast

On white

8.72

#284D75 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.41

#284D75 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #284D75

8.72:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##284D75	#FFFFFF	#000000	##FFFFFF
##284D75	1.00	8.72	2.41	8.72
#FFFFFF	8.72	1.00	21.00	1.00
#000000	2.41	21.00	1.00	21.00
##FFFFFF	8.72	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3C4F77

Deuteranopia (green-blind)

#314874

Tritanopia (blue-blind)

#00565B

Achromatopsia (no color)

#4B4B4B

Design tokens & code

CSS

--color: #284d75;
/* rgb */ color: rgb(40, 77, 117);
/* oklch */ color: oklch(41.3% 0.080 251.9);

Tailwind

colors: {
  custom: {
    50: '#6a7e9d',
    500: '#284d75',
    950: '#000000',
  },
}

SCSS

$custom: #284d75;
$custom-light: #6a7e9d;
$custom-dark: #000000;

JSON

{
  "hex": "#284d75",
  "rgb": {
    "r": 40,
    "g": 77,
    "b": 117
  },
  "hsl": {
    "h": 211.169,
    "s": 49.045,
    "l": 30.784
  },
  "oklch": {
    "l": 0.4126,
    "c": 0.0798,
    "h": 251.9
  },
  "luminance": 0.07043
}

Semantic roles & 50–950 ramp

primary

#284D75

secondary

#A77E52

accent

#974FD9

background

#F6F7F9

surface

#EBEEF2

border

#C6C9CC

text

#07090E

muted

#7A7B7E

Preview Lab

Preview with #284D75

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

Preview Lab → · Contrast checker → · Palette generator →