#284B93#284B93

#284B93 is a dark, vivid blue. Relative luminance 0.076; OKLCH L 42.8% C 0.126 H 262.8°. Best body text is #FFFFFF at 8.34:1 contrast (WCAG AA passes).

Color values

HEX	#284B93
RGB	rgb(40, 75, 147)
HSL	hsl(220, 57%, 37%)
HSV	hsv(220, 73%, 58%)
CMYK	cmyk(72.8%, 49%, 0%, 42.4%)
CIE-LAB	lab(33.11, 13.26, -43.42)
CIE-LCH	lch(33.11, 45.40, 286.99°)
OKLab	oklab(42.79% -0.0158 -0.1245)
OKLCH	oklch(42.79% 0.126 262.8)
XYZ	xyz(8.6557, 7.5889, 28.6067)
Luminance	0.0759 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#284B93 #937028

analogous

#288193 #284B93 #3B2893

triadic

#284B93 #93284B #4B9328

tetradic

#284B93 #932881 #937028 #28933B

square

#284B93 #932881 #937028 #28933B

split-complementary

#284B93 #933B28 #819328

monochromatic

#0E1A33 #1B3263 #284B93 #3564C3 #6187D4

Accessibility & contrast

On white

8.34

#284B93 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.52

#284B93 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #284B93

8.34:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##284B93	#FFFFFF	#000000	##FFFFFF
##284B93	1.00	8.34	2.52	8.34
#FFFFFF	8.34	1.00	21.00	1.00
#000000	2.52	21.00	1.00	21.00
##FFFFFF	8.34	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#245396

Deuteranopia (green-blind)

#064992

Tritanopia (blue-blind)

#005C68

Achromatopsia (no color)

#4E4E4E

Design tokens & code

CSS

--color: #284b93;
/* rgb */ color: rgb(40, 75, 147);
/* oklch */ color: oklch(42.8% 0.126 262.8);

Tailwind

colors: {
  custom: {
    50: '#707cb3',
    500: '#284b93',
    950: '#000000',
  },
}

SCSS

$custom: #284b93;
$custom-light: #707cb3;
$custom-dark: #000000;

JSON

{
  "hex": "#284b93",
  "rgb": {
    "r": 40,
    "g": 75,
    "b": 147
  },
  "hsl": {
    "h": 220.374,
    "s": 57.219,
    "l": 36.667
  },
  "oklch": {
    "l": 0.42785,
    "c": 0.12555,
    "h": 262.8
  },
  "luminance": 0.0759
}

Semantic roles & 50–950 ramp

primary

#284B93

secondary

#BA9B5D

accent

#AE47E0

background

#F7F7FB

surface

#EDEEF6

border

#C8C9D0

text

#080911

muted

#7B7B80

Preview Lab

Preview with #284B93

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

Preview Lab → · Contrast checker → · Palette generator →