#284A98#284A98

#284A98 is a dark, vivid blue. Relative luminance 0.076; OKLCH L 42.9% C 0.134 H 263.9°. Best body text is #FFFFFF at 8.32:1 contrast (WCAG AA passes).

Color values

HEX	#284A98
RGB	rgb(40, 74, 152)
HSL	hsl(222, 58%, 38%)
HSV	hsv(222, 74%, 60%)
CMYK	cmyk(73.7%, 51.3%, 0%, 40.4%)
CIE-LAB	lab(33.17, 15.88, -46.37)
CIE-LCH	lch(33.17, 49.01, 288.90°)
OKLab	oklab(42.94% -0.0142 -0.1332)
OKLCH	oklch(42.94% 0.134 263.9)
XYZ	xyz(8.9893, 7.6147, 30.6957)
Luminance	0.0762 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#284A98 #987628

analogous

#288298 #284A98 #3E2898

triadic

#284A98 #98284A #4A9828

tetradic

#284A98 #982882 #987628 #28983E

square

#284A98 #982882 #987628 #28983E

split-complementary

#284A98 #983E28 #829828

monochromatic

#0F1B37 #1B3268 #284A98 #3562C8 #6487D6

Accessibility & contrast

On white

8.32

#284A98 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.52

#284A98 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #284A98

8.32:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##284A98	#FFFFFF	#000000	##FFFFFF
##284A98	1.00	8.32	2.52	8.32
#FFFFFF	8.32	1.00	21.00	1.00
#000000	2.52	21.00	1.00	21.00
##FFFFFF	8.32	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1B539B

Deuteranopia (green-blind)

#004996

Tritanopia (blue-blind)

#005D6A

Achromatopsia (no color)

#4E4E4E

Design tokens & code

CSS

--color: #284a98;
/* rgb */ color: rgb(40, 74, 152);
/* oklch */ color: oklch(42.9% 0.134 263.9);

Tailwind

colors: {
  custom: {
    50: '#717cb7',
    500: '#284a98',
    950: '#000000',
  },
}

SCSS

$custom: #284a98;
$custom-light: #717cb7;
$custom-dark: #000000;

JSON

{
  "hex": "#284a98",
  "rgb": {
    "r": 40,
    "g": 74,
    "b": 152
  },
  "hsl": {
    "h": 221.786,
    "s": 58.333,
    "l": 37.647
  },
  "oklch": {
    "l": 0.42938,
    "c": 0.13401,
    "h": 263.9
  },
  "luminance": 0.07616
}

Semantic roles & 50–950 ramp

primary

#284A98

secondary

#BCA060

accent

#B246E2

background

#F7F7FB

surface

#EDEDF6

border

#C8C8D0

text

#090911

muted

#7B7B80

Preview Lab

Preview with #284A98

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

Preview Lab → · Contrast checker → · Palette generator →