#284F86#284F86

#284F86 is a dark, moderate blue. Relative luminance 0.078; OKLCH L 42.8% C 0.102 H 257.3°. Best body text is #FFFFFF at 8.23:1 contrast (WCAG AA passes).

Color values

HEX	#284F86
RGB	rgb(40, 79, 134)
HSL	hsl(215, 54%, 34%)
HSV	hsv(215, 70%, 53%)
CMYK	cmyk(70.1%, 41%, 0%, 47.5%)
CIE-LAB	lab(33.49, 5.57, -34.87)
CIE-LCH	lch(33.49, 35.31, 279.08°)
OKLab	oklab(42.81% -0.0223 -0.0993)
OKLCH	oklch(42.81% 0.102 257.3)
XYZ	xyz(7.9726, 7.7635, 23.6280)
Luminance	0.0776 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#284F86 #865F28

analogous

#287E86 #284F86 #302886

triadic

#284F86 #86284F #4F8628

tetradic

#284F86 #86287E #865F28 #288630

square

#284F86 #86287E #865F28 #288630

split-complementary

#284F86 #863028 #7E8628

monochromatic

#0C1728 #1A3357 #284F86 #366BB5 #5B8ACE

Accessibility & contrast

On white

8.23

#284F86 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.55

#284F86 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #284F86

8.23:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##284F86	#FFFFFF	#000000	##FFFFFF
##284F86	1.00	8.23	2.55	8.23
#FFFFFF	8.23	1.00	21.00	1.00
#000000	2.55	21.00	1.00	21.00
##FFFFFF	8.23	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#365388

Deuteranopia (green-blind)

#274B85

Tritanopia (blue-blind)

#005C64

Achromatopsia (no color)

#4F4F4F

Design tokens & code

CSS

--color: #284f86;
/* rgb */ color: rgb(40, 79, 134);
/* oklch */ color: oklch(42.8% 0.102 257.3);

Tailwind

colors: {
  custom: {
    50: '#6d7fa9',
    500: '#284f86',
    950: '#000000',
  },
}

SCSS

$custom: #284f86;
$custom-light: #6d7fa9;
$custom-dark: #000000;

JSON

{
  "hex": "#284f86",
  "rgb": {
    "r": 40,
    "g": 79,
    "b": 134
  },
  "hsl": {
    "h": 215.106,
    "s": 54.023,
    "l": 34.118
  },
  "oklch": {
    "l": 0.42807,
    "c": 0.10181,
    "h": 257.3
  },
  "luminance": 0.07764
}

Semantic roles & 50–950 ramp

primary

#284F86

secondary

#B38D57

accent

#A04ADD

background

#F6F7FA

surface

#ECEEF4

border

#C7C9CE

text

#080A10

muted

#7A7C7F

Preview Lab

Preview with #284F86

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

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