#283088#283088

#283088 is a dark, vivid blue. Relative luminance 0.043; OKLCH L 36.2% C 0.145 H 272.8°. Best body text is #FFFFFF at 11.24:1 contrast (WCAG AA passes).

Color values

HEX	#283088
RGB	rgb(40, 48, 136)
HSL	hsl(235, 55%, 35%)
HSV	hsv(235, 71%, 53%)
CMYK	cmyk(70.6%, 64.7%, 0%, 46.7%)
CIE-LAB	lab(24.77, 27.41, -50.16)
CIE-LCH	lch(24.77, 57.16, 298.65°)
OKLab	oklab(36.25% 0.007 -0.1448)
OKLCH	oklch(36.25% 0.145 272.8)
XYZ	xyz(6.3745, 4.3420, 23.7899)
Luminance	0.0434 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#283088 #888028

analogous

#286088 #283088 #502888

triadic

#283088 #882830 #308828

tetradic

#283088 #882860 #888028 #288850

square

#283088 #882860 #888028 #288850

split-complementary

#283088 #885028 #608828

monochromatic

#0C0F29 #1A1F59 #283088 #3641B7 #5B65CF

Accessibility & contrast

On white

11.24

#283088 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.87

#283088 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #283088

11.24:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##283088	#FFFFFF	#000000	##FFFFFF
##283088	1.00	11.24	1.87	11.24
#FFFFFF	11.24	1.00	21.00	1.00
#000000	1.87	21.00	1.00	21.00
##FFFFFF	11.24	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003F8B

Deuteranopia (green-blind)

#003686

Tritanopia (blue-blind)

#004757

Achromatopsia (no color)

#3B3B3B

Design tokens & code

CSS

--color: #283088;
/* rgb */ color: rgb(40, 48, 136);
/* oklch */ color: oklch(36.2% 0.145 272.8);

Tailwind

colors: {
  custom: {
    50: '#7068ab',
    500: '#283088',
    950: '#000000',
  },
}

SCSS

$custom: #283088;
$custom-light: #7068ab;
$custom-dark: #000000;

JSON

{
  "hex": "#283088",
  "rgb": {
    "r": 40,
    "g": 48,
    "b": 136
  },
  "hsl": {
    "h": 235,
    "s": 54.545,
    "l": 34.51
  },
  "oklch": {
    "l": 0.36248,
    "c": 0.14494,
    "h": 272.8
  },
  "luminance": 0.04343
}

Semantic roles & 50–950 ramp

primary

#283088

secondary

#B4AC58

accent

#D24ADE

background

#F7F6FA

surface

#EDEBF4

border

#C8C6CE

text

#080610

muted

#7B7A7F

Preview Lab

Preview with #283088

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

Preview Lab → · Contrast checker → · Palette generator →