#284B94#284B94

#284B94 is a dark, vivid blue. Relative luminance 0.076; OKLCH L 42.9% C 0.127 H 262.9°. Best body text is #FFFFFF at 8.32:1 contrast (WCAG AA passes).

Color values

HEX	#284B94
RGB	rgb(40, 75, 148)
HSL	hsl(221, 57%, 37%)
HSV	hsv(221, 73%, 58%)
CMYK	cmyk(73%, 49.3%, 0%, 42%)
CIE-LAB	lab(33.18, 13.65, -43.92)
CIE-LCH	lch(33.18, 45.99, 287.27°)
OKLab	oklab(42.86% -0.0157 -0.126)
OKLCH	oklch(42.86% 0.127 262.9)
XYZ	xyz(8.7345, 7.6205, 29.0218)
Luminance	0.0762 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#284B94 #947128

analogous

#288194 #284B94 #3B2894

triadic

#284B94 #94284B #4B9428

tetradic

#284B94 #942881 #947128 #28943B

square

#284B94 #942881 #947128 #28943B

split-complementary

#284B94 #943B28 #819428

monochromatic

#0E1A34 #1B3364 #284B94 #3563C4 #6287D5

Accessibility & contrast

On white

8.32

#284B94 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.52

#284B94 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #284B94

8.32:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##284B94	#FFFFFF	#000000	##FFFFFF
##284B94	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)

#235397

Deuteranopia (green-blind)

#034993

Tritanopia (blue-blind)

#005C68

Achromatopsia (no color)

#4E4E4E

Design tokens & code

CSS

--color: #284b94;
/* rgb */ color: rgb(40, 75, 148);
/* oklch */ color: oklch(42.9% 0.127 262.9);

Tailwind

colors: {
  custom: {
    50: '#707cb4',
    500: '#284b94',
    950: '#000000',
  },
}

SCSS

$custom: #284b94;
$custom-light: #707cb4;
$custom-dark: #000000;

JSON

{
  "hex": "#284b94",
  "rgb": {
    "r": 40,
    "g": 75,
    "b": 148
  },
  "hsl": {
    "h": 220.556,
    "s": 57.447,
    "l": 36.863
  },
  "oklch": {
    "l": 0.42859,
    "c": 0.12699,
    "h": 262.9
  },
  "luminance": 0.07621
}

Semantic roles & 50–950 ramp

primary

#284B94

secondary

#BA9C5E

accent

#AF47E1

background

#F7F7FB

surface

#EDEEF6

border

#C8C9D0

text

#080911

muted

#7B7B80

Preview Lab

Preview with #284B94

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

Preview Lab → · Contrast checker → · Palette generator →