#284899#284899

#284899 is a dark, vivid blue. Relative luminance 0.074; OKLCH L 42.6% C 0.138 H 264.9°. Best body text is #FFFFFF at 8.48:1 contrast (WCAG AA passes).

Color values

HEX	#284899
RGB	rgb(40, 72, 153)
HSL	hsl(223, 59%, 38%)
HSV	hsv(223, 74%, 60%)
CMYK	cmyk(73.9%, 52.9%, 0%, 40%)
CIE-LAB	lab(32.67, 17.62, -47.78)
CIE-LCH	lch(32.67, 50.93, 290.24°)
OKLab	oklab(42.58% -0.0124 -0.1374)
OKLCH	oklch(42.58% 0.138 264.9)
XYZ	xyz(8.9402, 7.3848, 31.0851)
Luminance	0.0739 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#284899 #997928

analogous

#288099 #284899 #412899

triadic

#284899 #992848 #489928

tetradic

#284899 #992880 #997928 #289941

square

#284899 #992880 #997928 #289941

split-complementary

#284899 #994128 #809928

monochromatic

#0F1A38 #1B3168 #284899 #355FCA #6585D7

Accessibility & contrast

On white

8.48

#284899 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.48

#284899 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #284899

8.48:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##284899	#FFFFFF	#000000	##FFFFFF
##284899	1.00	8.48	2.48	8.48
#FFFFFF	8.48	1.00	21.00	1.00
#000000	2.48	21.00	1.00	21.00
##FFFFFF	8.48	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#12529C

Deuteranopia (green-blind)

#004897

Tritanopia (blue-blind)

#005B69

Achromatopsia (no color)

#4D4D4D

Design tokens & code

CSS

--color: #284899;
/* rgb */ color: rgb(40, 72, 153);
/* oklch */ color: oklch(42.6% 0.138 264.9);

Tailwind

colors: {
  custom: {
    50: '#727ab8',
    500: '#284899',
    950: '#000000',
  },
}

SCSS

$custom: #284899;
$custom-light: #727ab8;
$custom-dark: #000000;

JSON

{
  "hex": "#284899",
  "rgb": {
    "r": 40,
    "g": 72,
    "b": 153
  },
  "hsl": {
    "h": 223.009,
    "s": 58.549,
    "l": 37.843
  },
  "oklch": {
    "l": 0.42581,
    "c": 0.13799,
    "h": 264.9
  },
  "luminance": 0.07386
}

Semantic roles & 50–950 ramp

primary

#284899

secondary

#BDA260

accent

#B646E2

background

#F7F7FB

surface

#EDEDF6

border

#C8C8D0

text

#090911

muted

#7B7B80

Preview Lab

Preview with #284899

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

Preview Lab → · Contrast checker → · Palette generator →