#283098#283098

#283098 is a dark, vivid blue. Relative luminance 0.048; OKLCH L 37.8% C 0.167 H 272.0°. Best body text is #FFFFFF at 10.68:1 contrast (WCAG AA passes).

Color values

HEX	#283098
RGB	rgb(40, 48, 152)
HSL	hsl(236, 58%, 38%)
HSV	hsv(236, 74%, 60%)
CMYK	cmyk(73.7%, 68.4%, 0%, 40.4%)
CIE-LAB	lab(26.25, 33.28, -57.63)
CIE-LCH	lch(26.25, 66.55, 300.00°)
OKLab	oklab(37.78% 0.0058 -0.1666)
OKLCH	oklch(37.78% 0.167 272)
XYZ	xyz(7.5976, 4.8312, 30.2318)
Luminance	0.0483 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#283098 #989028

analogous

#286898 #283098 #582898

triadic

#283098 #982830 #309828

tetradic

#283098 #982868 #989028 #289858

square

#283098 #982868 #989028 #289858

split-complementary

#283098 #985828 #689828

monochromatic

#0F1137 #1B2168 #283098 #353FC8 #646CD6

Accessibility & contrast

On white

10.68

#283098 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.97

#283098 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #283098

10.68:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##283098	#FFFFFF	#000000	##FFFFFF
##283098	1.00	10.68	1.97	10.68
#FFFFFF	10.68	1.00	21.00	1.00
#000000	1.97	21.00	1.00	21.00
##FFFFFF	10.68	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00439B

Deuteranopia (green-blind)

#003996

Tritanopia (blue-blind)

#004C60

Achromatopsia (no color)

#3E3E3E

Design tokens & code

CSS

--color: #283098;
/* rgb */ color: rgb(40, 48, 152);
/* oklch */ color: oklch(37.8% 0.167 272.0);

Tailwind

colors: {
  custom: {
    50: '#7368b7',
    500: '#283098',
    950: '#000000',
  },
}

SCSS

$custom: #283098;
$custom-light: #7368b7;
$custom-dark: #000000;

JSON

{
  "hex": "#283098",
  "rgb": {
    "r": 40,
    "g": 48,
    "b": 152
  },
  "hsl": {
    "h": 235.714,
    "s": 58.333,
    "l": 37.647
  },
  "oklch": {
    "l": 0.3778,
    "c": 0.16674,
    "h": 272
  },
  "luminance": 0.04832
}

Semantic roles & 50–950 ramp

primary

#283098

secondary

#BCB560

accent

#D646E2

background

#F7F6FB

surface

#EEEBF6

border

#C9C6D0

text

#090611

muted

#7B7A80

Preview Lab

Preview with #283098

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

Preview Lab → · Contrast checker → · Palette generator →