#284587#284587

#284587 is a dark, moderate blue. Relative luminance 0.065; OKLCH L 40.6% C 0.116 H 264.1°. Best body text is #FFFFFF at 9.16:1 contrast (WCAG AA passes).

Color values

HEX	#284587
RGB	rgb(40, 69, 135)
HSL	hsl(222, 54%, 34%)
HSV	hsv(222, 70%, 53%)
CMYK	cmyk(70.4%, 48.9%, 0%, 47.1%)
CIE-LAB	lab(30.53, 12.68, -40.20)
CIE-LCH	lch(30.53, 42.15, 287.50°)
OKLab	oklab(40.55% -0.0119 -0.1152)
OKLCH	oklch(40.55% 0.116 264.1)
XYZ	xyz(7.3748, 6.4559, 23.7744)
Luminance	0.0646 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#284587 #876A28

analogous

#287587 #284587 #3A2887

triadic

#284587 #872845 #458728

tetradic

#284587 #872875 #876A28 #28873A

square

#284587 #872875 #876A28 #28873A

split-complementary

#284587 #873A28 #758728

monochromatic

#0C1529 #1A2D58 #284587 #365DB6 #5B7ECE

Accessibility & contrast

On white

9.16

#284587 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.29

#284587 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #284587

9.16:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##284587	#FFFFFF	#000000	##FFFFFF
##284587	1.00	9.16	2.29	9.16
#FFFFFF	9.16	1.00	21.00	1.00
#000000	2.29	21.00	1.00	21.00
##FFFFFF	9.16	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#224D89

Deuteranopia (green-blind)

#0C4486

Tritanopia (blue-blind)

#00545F

Achromatopsia (no color)

#484848

Design tokens & code

CSS

--color: #284587;
/* rgb */ color: rgb(40, 69, 135);
/* oklch */ color: oklch(40.6% 0.116 264.1);

Tailwind

colors: {
  custom: {
    50: '#6e78aa',
    500: '#284587',
    950: '#000000',
  },
}

SCSS

$custom: #284587;
$custom-light: #6e78aa;
$custom-dark: #000000;

JSON

{
  "hex": "#284587",
  "rgb": {
    "r": 40,
    "g": 69,
    "b": 135
  },
  "hsl": {
    "h": 221.684,
    "s": 54.286,
    "l": 34.314
  },
  "oklch": {
    "l": 0.40552,
    "c": 0.1158,
    "h": 264.1
  },
  "luminance": 0.06457
}

Semantic roles & 50–950 ramp

primary

#284587

secondary

#B49757

accent

#B14ADE

background

#F7F7FA

surface

#EDEDF4

border

#C8C8CE

text

#080810

muted

#7B7B7F

Preview Lab

Preview with #284587

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

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