#284D72#284D72

#284D72 is a dark, moderate cyan. Relative luminance 0.070; OKLCH L 41.1% C 0.076 H 250.1°. Best body text is #FFFFFF at 8.77:1 contrast (WCAG AA passes).

Color values

HEX	#284D72
RGB	rgb(40, 77, 114)
HSL	hsl(210, 48%, 30%)
HSV	hsv(210, 65%, 45%)
CMYK	cmyk(64.9%, 32.5%, 0%, 55.3%)
CIE-LAB	lab(31.75, -0.65, -25.20)
CIE-LCH	lch(31.75, 25.21, 268.52°)
OKLab	oklab(41.08% -0.0257 -0.0711)
OKLCH	oklch(41.08% 0.076 250.1)
XYZ	xyz(6.5651, 6.9732, 16.9163)
Luminance	0.0697 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#284D72 #724D28

analogous

#287272 #284D72 #282872

triadic

#284D72 #72284D #4D7228

tetradic

#284D72 #722872 #724D28 #287228

square

#284D72 #722872 #724D28 #287228

split-complementary

#284D72 #722828 #727228

monochromatic

#081017 #182E45 #284D72 #386C9F #528AC2

Accessibility & contrast

On white

8.77

#284D72 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.39

#284D72 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #284D72

8.77:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##284D72	#FFFFFF	#000000	##FFFFFF
##284D72	1.00	8.77	2.39	8.77
#FFFFFF	8.77	1.00	21.00	1.00
#000000	2.39	21.00	1.00	21.00
##FFFFFF	8.77	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3D4F74

Deuteranopia (green-blind)

#334771

Tritanopia (blue-blind)

#00565A

Achromatopsia (no color)

#4B4B4B

Design tokens & code

CSS

--color: #284d72;
/* rgb */ color: rgb(40, 77, 114);
/* oklch */ color: oklch(41.1% 0.076 250.1);

Tailwind

colors: {
  custom: {
    50: '#6a7e9a',
    500: '#284d72',
    950: '#000000',
  },
}

SCSS

$custom: #284d72;
$custom-light: #6a7e9a;
$custom-dark: #000000;

JSON

{
  "hex": "#284d72",
  "rgb": {
    "r": 40,
    "g": 77,
    "b": 114
  },
  "hsl": {
    "h": 210,
    "s": 48.052,
    "l": 30.196
  },
  "oklch": {
    "l": 0.41084,
    "c": 0.07562,
    "h": 250.1
  },
  "luminance": 0.06974
}

Semantic roles & 50–950 ramp

primary

#284D72

secondary

#A47B52

accent

#9450D8

background

#F6F7F9

surface

#EBEEF2

border

#C6C9CC

text

#07090E

muted

#7A7B7E

Preview Lab

Preview with #284D72

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

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