#283B96#283B96

#283B96 is a dark, vivid blue. Relative luminance 0.058; OKLCH L 39.6% C 0.150 H 269.3°. Best body text is #FFFFFF at 9.74:1 contrast (WCAG AA passes).

Color values

HEX	#283B96
RGB	rgb(40, 59, 150)
HSL	hsl(230, 58%, 37%)
HSV	hsv(230, 73%, 59%)
CMYK	cmyk(73.3%, 60.7%, 0%, 41.2%)
CIE-LAB	lab(28.85, 25.27, -52.15)
CIE-LCH	lch(28.85, 57.95, 295.85°)
OKLab	oklab(39.64% -0.0019 -0.1505)
OKLCH	oklch(39.64% 0.151 269.3)
XYZ	xyz(7.9422, 5.7802, 29.5454)
Luminance	0.0578 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#283B96 #968328

analogous

#287296 #283B96 #4C2896

triadic

#283B96 #96283B #3B9628

tetradic

#283B96 #962872 #968328 #28964C

square

#283B96 #962872 #968328 #28964C

split-complementary

#283B96 #964C28 #729628

monochromatic

#0E1535 #1B2866 #283B96 #354EC6 #6377D5

Accessibility & contrast

On white

9.74

#283B96 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.16

#283B96 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #283B96

9.74:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##283B96	#FFFFFF	#000000	##FFFFFF
##283B96	1.00	9.74	2.16	9.74
#FFFFFF	9.74	1.00	21.00	1.00
#000000	2.16	21.00	1.00	21.00
##FFFFFF	9.74	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004999

Deuteranopia (green-blind)

#003F94

Tritanopia (blue-blind)

#005262

Achromatopsia (no color)

#444444

Design tokens & code

CSS

--color: #283b96;
/* rgb */ color: rgb(40, 59, 150);
/* oklch */ color: oklch(39.6% 0.150 269.3);

Tailwind

colors: {
  custom: {
    50: '#7270b6',
    500: '#283b96',
    950: '#000000',
  },
}

SCSS

$custom: #283b96;
$custom-light: #7270b6;
$custom-dark: #000000;

JSON

{
  "hex": "#283b96",
  "rgb": {
    "r": 40,
    "g": 59,
    "b": 150
  },
  "hsl": {
    "h": 229.636,
    "s": 57.895,
    "l": 37.255
  },
  "oklch": {
    "l": 0.39639,
    "c": 0.1505,
    "h": 269.3
  },
  "luminance": 0.05781
}

Semantic roles & 50–950 ramp

primary

#283B96

secondary

#BBAB5F

accent

#C647E1

background

#F7F6FB

surface

#EDECF6

border

#C8C7D0

text

#090711

muted

#7B7A80

Preview Lab

Preview with #283B96

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

Preview Lab → · Contrast checker → · Palette generator →