#283199#283199

#283199 is a dark, vivid blue. Relative luminance 0.049; OKLCH L 38.1% C 0.167 H 271.7°. Best body text is #FFFFFF at 10.55:1 contrast (WCAG AA passes).

Color values

HEX	#283199
RGB	rgb(40, 49, 153)
HSL	hsl(235, 59%, 38%)
HSV	hsv(235, 74%, 60%)
CMYK	cmyk(73.9%, 68%, 0%, 40%)
CIE-LAB	lab(26.58, 33.00, -57.70)
CIE-LCH	lch(26.58, 66.47, 299.77°)
OKLab	oklab(38.05% 0.005 -0.1668)
OKLCH	oklch(38.05% 0.167 271.7)
XYZ	xyz(7.7212, 4.9469, 30.6787)
Luminance	0.0495 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#283199 #999028

analogous

#286A99 #283199 #572899

triadic

#283199 #992831 #319928

tetradic

#283199 #99286A #999028 #289957

square

#283199 #99286A #999028 #289957

split-complementary

#283199 #995728 #6A9928

monochromatic

#0F1238 #1B2168 #283199 #3541CA #656ED7

Accessibility & contrast

On white

10.55

#283199 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.99

#283199 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #283199

10.55:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##283199	#FFFFFF	#000000	##FFFFFF
##283199	1.00	10.55	1.99	10.55
#FFFFFF	10.55	1.00	21.00	1.00
#000000	1.99	21.00	1.00	21.00
##FFFFFF	10.55	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00449C

Deuteranopia (green-blind)

#003A97

Tritanopia (blue-blind)

#004D60

Achromatopsia (no color)

#3F3F3F

Design tokens & code

CSS

--color: #283199;
/* rgb */ color: rgb(40, 49, 153);
/* oklch */ color: oklch(38.1% 0.167 271.7);

Tailwind

colors: {
  custom: {
    50: '#7369b8',
    500: '#283199',
    950: '#000000',
  },
}

SCSS

$custom: #283199;
$custom-light: #7369b8;
$custom-dark: #000000;

JSON

{
  "hex": "#283199",
  "rgb": {
    "r": 40,
    "g": 49,
    "b": 153
  },
  "hsl": {
    "h": 235.221,
    "s": 58.549,
    "l": 37.843
  },
  "oklch": {
    "l": 0.38052,
    "c": 0.16691,
    "h": 271.7
  },
  "luminance": 0.04948
}

Semantic roles & 50–950 ramp

primary

#283199

secondary

#BDB560

accent

#D546E2

background

#F7F6FB

surface

#EEEBF6

border

#C9C6D0

text

#090611

muted

#7B7A80

Preview Lab

Preview with #283199

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

Preview Lab → · Contrast checker → · Palette generator →