#284099#284099

#284099 is a dark, vivid blue. Relative luminance 0.064; OKLCH L 40.9% C 0.148 H 267.8°. Best body text is #FFFFFF at 9.20:1 contrast (WCAG AA passes).

Color values

HEX	#284099
RGB	rgb(40, 64, 153)
HSL	hsl(227, 59%, 38%)
HSV	hsv(227, 74%, 60%)
CMYK	cmyk(73.9%, 58.2%, 0%, 40%)
CIE-LAB	lab(30.44, 23.04, -51.39)
CIE-LCH	lch(30.44, 56.32, 294.14°)
OKLab	oklab(40.9% -0.0057 -0.1482)
OKLCH	oklch(40.9% 0.148 267.8)
XYZ	xyz(8.4562, 6.4169, 30.9237)
Luminance	0.0642 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#284099 #998128

analogous

#287899 #284099 #492899

triadic

#284099 #992840 #409928

tetradic

#284099 #992878 #998128 #289949

square

#284099 #992878 #998128 #289949

split-complementary

#284099 #994928 #789928

monochromatic

#0F1738 #1B2C68 #284099 #3554CA #657DD7

Accessibility & contrast

On white

9.20

#284099 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.28

#284099 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #284099

9.20:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##284099	#FFFFFF	#000000	##FFFFFF
##284099	1.00	9.20	2.28	9.20
#FFFFFF	9.20	1.00	21.00	1.00
#000000	2.28	21.00	1.00	21.00
##FFFFFF	9.20	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004D9C

Deuteranopia (green-blind)

#004397

Tritanopia (blue-blind)

#005666

Achromatopsia (no color)

#484848

Design tokens & code

CSS

--color: #284099;
/* rgb */ color: rgb(40, 64, 153);
/* oklch */ color: oklch(40.9% 0.148 267.8);

Tailwind

colors: {
  custom: {
    50: '#7274b8',
    500: '#284099',
    950: '#000000',
  },
}

SCSS

$custom: #284099;
$custom-light: #7274b8;
$custom-dark: #000000;

JSON

{
  "hex": "#284099",
  "rgb": {
    "r": 40,
    "g": 64,
    "b": 153
  },
  "hsl": {
    "h": 227.257,
    "s": 58.549,
    "l": 37.843
  },
  "oklch": {
    "l": 0.40902,
    "c": 0.1483,
    "h": 267.8
  },
  "luminance": 0.06418
}

Semantic roles & 50–950 ramp

primary

#284099

secondary

#BDA960

accent

#C146E2

background

#F7F7FB

surface

#EDEDF6

border

#C8C8D0

text

#090811

muted

#7B7B80

Preview Lab

Preview with #284099

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

Preview Lab → · Contrast checker → · Palette generator →