#284E82#284E82

#284E82 is a dark, moderate cyan. Relative luminance 0.075; OKLCH L 42.3% C 0.097 H 256.8°. Best body text is #FFFFFF at 8.39:1 contrast (WCAG AA passes).

Color values

HEX	#284E82
RGB	rgb(40, 78, 130)
HSL	hsl(215, 53%, 33%)
HSV	hsv(215, 69%, 51%)
CMYK	cmyk(69.2%, 40%, 0%, 49%)
CIE-LAB	lab(32.94, 4.71, -33.26)
CIE-LCH	lch(32.94, 33.60, 278.05°)
OKLab	oklab(42.31% -0.0222 -0.0947)
OKLCH	oklch(42.31% 0.097 256.8)
XYZ	xyz(7.6273, 7.5108, 22.1625)
Luminance	0.0751 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#284E82 #825C28

analogous

#287B82 #284E82 #2F2882

triadic

#284E82 #82284E #4E8228

tetradic

#284E82 #82287B #825C28 #28822F

square

#284E82 #82287B #825C28 #28822F

split-complementary

#284E82 #822F28 #7B8228

monochromatic

#0B1624 #1A3253 #284E82 #366AB1 #5989CC

Accessibility & contrast

On white

8.39

#284E82 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.50

#284E82 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #284E82

8.39:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##284E82	#FFFFFF	#000000	##FFFFFF
##284E82	1.00	8.39	2.50	8.39
#FFFFFF	8.39	1.00	21.00	1.00
#000000	2.50	21.00	1.00	21.00
##FFFFFF	8.39	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#375284

Deuteranopia (green-blind)

#294A81

Tritanopia (blue-blind)

#005A61

Achromatopsia (no color)

#4D4D4D

Design tokens & code

CSS

--color: #284e82;
/* rgb */ color: rgb(40, 78, 130);
/* oklch */ color: oklch(42.3% 0.097 256.8);

Tailwind

colors: {
  custom: {
    50: '#6d7fa6',
    500: '#284e82',
    950: '#000000',
  },
}

SCSS

$custom: #284e82;
$custom-light: #6d7fa6;
$custom-dark: #000000;

JSON

{
  "hex": "#284e82",
  "rgb": {
    "r": 40,
    "g": 78,
    "b": 130
  },
  "hsl": {
    "h": 214.667,
    "s": 52.941,
    "l": 33.333
  },
  "oklch": {
    "l": 0.42309,
    "c": 0.09724,
    "h": 256.8
  },
  "luminance": 0.07512
}

Semantic roles & 50–950 ramp

primary

#284E82

secondary

#B18A55

accent

#9F4BDC

background

#F6F7FA

surface

#ECEEF4

border

#C7C9CE

text

#080A0F

muted

#7B7C7F

Preview Lab

Preview with #284E82

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

Preview Lab → · Contrast checker → · Palette generator →