#283197#283197

#283197 is a dark, vivid blue. Relative luminance 0.049; OKLCH L 37.9% C 0.164 H 271.8°. Best body text is #FFFFFF at 10.63:1 contrast (WCAG AA passes).

Color values

HEX	#283197
RGB	rgb(40, 49, 151)
HSL	hsl(235, 58%, 37%)
HSV	hsv(235, 74%, 59%)
CMYK	cmyk(73.5%, 67.5%, 0%, 40.8%)
CIE-LAB	lab(26.39, 32.27, -56.78)
CIE-LCH	lch(26.39, 65.31, 299.61°)
OKLab	oklab(37.86% 0.0052 -0.1641)
OKLCH	oklch(37.86% 0.164 271.8)
XYZ	xyz(7.5574, 4.8813, 29.8161)
Luminance	0.0488 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#283197 #978E28

analogous

#286997 #283197 #562897

triadic

#283197 #972831 #319728

tetradic

#283197 #972869 #978E28 #289756

square

#283197 #972869 #978E28 #289756

split-complementary

#283197 #975628 #699728

monochromatic

#0E1236 #1B2167 #283197 #3541C7 #646DD6

Accessibility & contrast

On white

10.63

#283197 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.98

#283197 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #283197

10.63:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##283197	#FFFFFF	#000000	##FFFFFF
##283197	1.00	10.63	1.98	10.63
#FFFFFF	10.63	1.00	21.00	1.00
#000000	1.98	21.00	1.00	21.00
##FFFFFF	10.63	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00449A

Deuteranopia (green-blind)

#003995

Tritanopia (blue-blind)

#004C5F

Achromatopsia (no color)

#3E3E3E

Design tokens & code

CSS

--color: #283197;
/* rgb */ color: rgb(40, 49, 151);
/* oklch */ color: oklch(37.9% 0.164 271.8);

Tailwind

colors: {
  custom: {
    50: '#7369b7',
    500: '#283197',
    950: '#000000',
  },
}

SCSS

$custom: #283197;
$custom-light: #7369b7;
$custom-dark: #000000;

JSON

{
  "hex": "#283197",
  "rgb": {
    "r": 40,
    "g": 49,
    "b": 151
  },
  "hsl": {
    "h": 235.135,
    "s": 58.115,
    "l": 37.451
  },
  "oklch": {
    "l": 0.37857,
    "c": 0.16423,
    "h": 271.8
  },
  "luminance": 0.04882
}

Semantic roles & 50–950 ramp

primary

#283197

secondary

#BCB45F

accent

#D546E1

background

#F7F6FB

surface

#EEEBF6

border

#C9C6D0

text

#090611

muted

#7B7A80

Preview Lab

Preview with #283197

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

Preview Lab → · Contrast checker → · Palette generator →