#284091#284091

#284091 is a dark, vivid blue. Relative luminance 0.062; OKLCH L 40.2% C 0.137 H 267.4°. Best body text is #FFFFFF at 9.41:1 contrast (WCAG AA passes).

Color values

HEX	#284091
RGB	rgb(40, 64, 145)
HSL	hsl(226, 57%, 36%)
HSV	hsv(226, 72%, 57%)
CMYK	cmyk(72.4%, 55.9%, 0%, 43.1%)
CIE-LAB	lab(29.82, 19.96, -47.52)
CIE-LCH	lch(29.82, 51.54, 292.78°)
OKLab	oklab(40.24% -0.0062 -0.1368)
OKLCH	oklch(40.24% 0.137 267.4)
XYZ	xyz(7.8175, 6.1614, 27.5599)
Luminance	0.0616 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#284091 #917928

analogous

#287591 #284091 #452891

triadic

#284091 #912840 #409128

tetradic

#284091 #912875 #917928 #289145

square

#284091 #912875 #917928 #289145

split-complementary

#284091 #914528 #759128

monochromatic

#0E1631 #1B2B61 #284091 #3555C1 #607AD3

Accessibility & contrast

On white

9.41

#284091 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.23

#284091 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #284091

9.41:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##284091	#FFFFFF	#000000	##FFFFFF
##284091	1.00	9.41	2.23	9.41
#FFFFFF	9.41	1.00	21.00	1.00
#000000	2.23	21.00	1.00	21.00
##FFFFFF	9.41	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004B94

Deuteranopia (green-blind)

#00428F

Tritanopia (blue-blind)

#005462

Achromatopsia (no color)

#464646

Design tokens & code

CSS

--color: #284091;
/* rgb */ color: rgb(40, 64, 145);
/* oklch */ color: oklch(40.2% 0.137 267.4);

Tailwind

colors: {
  custom: {
    50: '#7074b2',
    500: '#284091',
    950: '#000000',
  },
}

SCSS

$custom: #284091;
$custom-light: #7074b2;
$custom-dark: #000000;

JSON

{
  "hex": "#284091",
  "rgb": {
    "r": 40,
    "g": 64,
    "b": 145
  },
  "hsl": {
    "h": 226.286,
    "s": 56.757,
    "l": 36.275
  },
  "oklch": {
    "l": 0.40236,
    "c": 0.13694,
    "h": 267.4
  },
  "luminance": 0.06162
}

Semantic roles & 50–950 ramp

primary

#284091

secondary

#B9A45C

accent

#BD48E0

background

#F7F7FB

surface

#EDEDF6

border

#C8C8D0

text

#080811

muted

#7B7B80

Preview Lab

Preview with #284091

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

Preview Lab → · Contrast checker → · Palette generator →