#283097#283097

#283097 is a dark, vivid blue. Relative luminance 0.048; OKLCH L 37.7% C 0.165 H 272.0°. Best body text is #FFFFFF at 10.72:1 contrast (WCAG AA passes).

Color values

HEX	#283097
RGB	rgb(40, 48, 151)
HSL	hsl(236, 58%, 37%)
HSV	hsv(236, 74%, 59%)
CMYK	cmyk(73.5%, 68.2%, 0%, 40.8%)
CIE-LAB	lab(26.15, 32.92, -57.18)
CIE-LCH	lch(26.15, 65.98, 299.93°)
OKLab	oklab(37.68% 0.0059 -0.1653)
OKLCH	oklch(37.68% 0.165 272)
XYZ	xyz(7.5161, 4.7986, 29.8023)
Luminance	0.0480 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#283097 #978F28

analogous

#286797 #283097 #582897

triadic

#283097 #972830 #309728

tetradic

#283097 #972867 #978F28 #289758

square

#283097 #972867 #978F28 #289758

split-complementary

#283097 #975828 #679728

monochromatic

#0E1136 #1B2167 #283097 #353FC7 #646CD6

Accessibility & contrast

On white

10.72

#283097 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.96

#283097 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #283097

10.72:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##283097	#FFFFFF	#000000	##FFFFFF
##283097	1.00	10.72	1.96	10.72
#FFFFFF	10.72	1.00	21.00	1.00
#000000	1.96	21.00	1.00	21.00
##FFFFFF	10.72	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00439A

Deuteranopia (green-blind)

#003995

Tritanopia (blue-blind)

#004C5F

Achromatopsia (no color)

#3E3E3E

Design tokens & code

CSS

--color: #283097;
/* rgb */ color: rgb(40, 48, 151);
/* oklch */ color: oklch(37.7% 0.165 272.0);

Tailwind

colors: {
  custom: {
    50: '#7368b7',
    500: '#283097',
    950: '#000000',
  },
}

SCSS

$custom: #283097;
$custom-light: #7368b7;
$custom-dark: #000000;

JSON

{
  "hex": "#283097",
  "rgb": {
    "r": 40,
    "g": 48,
    "b": 151
  },
  "hsl": {
    "h": 235.676,
    "s": 58.115,
    "l": 37.451
  },
  "oklch": {
    "l": 0.37682,
    "c": 0.16541,
    "h": 272
  },
  "luminance": 0.04799
}

Semantic roles & 50–950 ramp

primary

#283097

secondary

#BCB55F

accent

#D646E1

background

#F7F6FB

surface

#EEEBF6

border

#C9C6D0

text

#090611

muted

#7B7A80

Preview Lab

Preview with #283097

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

Preview Lab → · Contrast checker → · Palette generator →