#284A86#284A86

#284A86 is a dark, moderate blue. Relative luminance 0.071; OKLCH L 41.6% C 0.108 H 260.9°. Best body text is #FFFFFF at 8.70:1 contrast (WCAG AA passes).

Color values

HEX	#284A86
RGB	rgb(40, 74, 134)
HSL	hsl(218, 54%, 34%)
HSV	hsv(218, 70%, 53%)
CMYK	cmyk(70.1%, 44.8%, 0%, 47.5%)
CIE-LAB	lab(31.96, 8.91, -37.29)
CIE-LCH	lch(31.96, 38.34, 283.43°)
OKLab	oklab(41.63% -0.0171 -0.1065)
OKLCH	oklch(41.63% 0.108 260.9)
XYZ	xyz(7.6254, 7.0691, 23.5122)
Luminance	0.0707 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#284A86 #866428

analogous

#287986 #284A86 #352886

triadic

#284A86 #86284A #4A8628

tetradic

#284A86 #862879 #866428 #288635

square

#284A86 #862879 #866428 #288635

split-complementary

#284A86 #863528 #798628

monochromatic

#0C1628 #1A3057 #284A86 #3664B5 #5B84CE

Accessibility & contrast

On white

8.70

#284A86 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.41

#284A86 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #284A86

8.70:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##284A86	#FFFFFF	#000000	##FFFFFF
##284A86	1.00	8.70	2.41	8.70
#FFFFFF	8.70	1.00	21.00	1.00
#000000	2.41	21.00	1.00	21.00
##FFFFFF	8.70	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2D5088

Deuteranopia (green-blind)

#1D4785

Tritanopia (blue-blind)

#005861

Achromatopsia (no color)

#4B4B4B

Design tokens & code

CSS

--color: #284a86;
/* rgb */ color: rgb(40, 74, 134);
/* oklch */ color: oklch(41.6% 0.108 260.9);

Tailwind

colors: {
  custom: {
    50: '#6d7ca9',
    500: '#284a86',
    950: '#000000',
  },
}

SCSS

$custom: #284a86;
$custom-light: #6d7ca9;
$custom-dark: #000000;

JSON

{
  "hex": "#284a86",
  "rgb": {
    "r": 40,
    "g": 74,
    "b": 134
  },
  "hsl": {
    "h": 218.298,
    "s": 54.023,
    "l": 34.118
  },
  "oklch": {
    "l": 0.41629,
    "c": 0.10792,
    "h": 260.9
  },
  "luminance": 0.0707
}

Semantic roles & 50–950 ramp

primary

#284A86

secondary

#B39257

accent

#A84ADD

background

#F7F7FA

surface

#EDEEF4

border

#C8C9CE

text

#080910

muted

#7B7B7F

Preview Lab

Preview with #284A86

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

Preview Lab → · Contrast checker → · Palette generator →