#284187#284187

#284187 is a dark, vivid blue. Relative luminance 0.060; OKLCH L 39.7% C 0.121 H 266.2°. Best body text is #FFFFFF at 9.56:1 contrast (WCAG AA passes).

Color values

HEX	#284187
RGB	rgb(40, 65, 135)
HSL	hsl(224, 54%, 34%)
HSV	hsv(224, 70%, 53%)
CMYK	cmyk(70.4%, 51.9%, 0%, 47.1%)
CIE-LAB	lab(29.36, 15.41, -42.09)
CIE-LCH	lch(29.36, 44.82, 290.11°)
OKLab	oklab(39.66% -0.008 -0.1208)
OKLCH	oklch(39.66% 0.121 266.2)
XYZ	xyz(7.1370, 5.9803, 23.6952)
Luminance	0.0598 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#284187 #876E28

analogous

#287187 #284187 #3F2887

triadic

#284187 #872841 #418728

tetradic

#284187 #872871 #876E28 #28873F

square

#284187 #872871 #876E28 #28873F

split-complementary

#284187 #873F28 #718728

monochromatic

#0C1429 #1A2A58 #284187 #3658B6 #5B79CE

Accessibility & contrast

On white

9.56

#284187 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.20

#284187 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #284187

9.56:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##284187	#FFFFFF	#000000	##FFFFFF
##284187	1.00	9.56	2.20	9.56
#FFFFFF	9.56	1.00	21.00	1.00
#000000	2.20	21.00	1.00	21.00
##FFFFFF	9.56	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#184A8A

Deuteranopia (green-blind)

#004186

Tritanopia (blue-blind)

#00515D

Achromatopsia (no color)

#454545

Design tokens & code

CSS

--color: #284187;
/* rgb */ color: rgb(40, 65, 135);
/* oklch */ color: oklch(39.7% 0.121 266.2);

Tailwind

colors: {
  custom: {
    50: '#6e75aa',
    500: '#284187',
    950: '#000000',
  },
}

SCSS

$custom: #284187;
$custom-light: #6e75aa;
$custom-dark: #000000;

JSON

{
  "hex": "#284187",
  "rgb": {
    "r": 40,
    "g": 65,
    "b": 135
  },
  "hsl": {
    "h": 224.211,
    "s": 54.286,
    "l": 34.314
  },
  "oklch": {
    "l": 0.39658,
    "c": 0.12107,
    "h": 266.2
  },
  "luminance": 0.05981
}

Semantic roles & 50–950 ramp

primary

#284187

secondary

#B49B57

accent

#B74ADE

background

#F7F7FA

surface

#EDEDF4

border

#C8C8CE

text

#080810

muted

#7B7B7F

Preview Lab

Preview with #284187

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

Preview Lab → · Contrast checker → · Palette generator →