#284D94#284D94

#284D94 is a dark, vivid blue. Relative luminance 0.079; OKLCH L 43.3% C 0.124 H 261.9°. Best body text is #FFFFFF at 8.14:1 contrast (WCAG AA passes).

Color values

HEX	#284D94
RGB	rgb(40, 77, 148)
HSL	hsl(219, 57%, 37%)
HSV	hsv(219, 73%, 58%)
CMYK	cmyk(73%, 48%, 0%, 42%)
CIE-LAB	lab(33.77, 12.31, -42.98)
CIE-LCH	lch(33.77, 44.70, 285.98°)
OKLab	oklab(43.31% -0.0175 -0.1232)
OKLCH	oklch(43.31% 0.124 261.9)
XYZ	xyz(8.8723, 7.8960, 29.0677)
Luminance	0.0790 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#284D94 #946F28

analogous

#288394 #284D94 #392894

triadic

#284D94 #94284D #4D9428

tetradic

#284D94 #942883 #946F28 #289439

square

#284D94 #942883 #946F28 #289439

split-complementary

#284D94 #943928 #839428

monochromatic

#0E1B34 #1B3464 #284D94 #3566C4 #6289D5

Accessibility & contrast

On white

8.14

#284D94 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.58

#284D94 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #284D94

8.14:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##284D94	#FFFFFF	#000000	##FFFFFF
##284D94	1.00	8.14	2.58	8.14
#FFFFFF	8.14	1.00	21.00	1.00
#000000	2.58	21.00	1.00	21.00
##FFFFFF	8.14	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#275597

Deuteranopia (green-blind)

#0D4B93

Tritanopia (blue-blind)

#005E69

Achromatopsia (no color)

#4F4F4F

Design tokens & code

CSS

--color: #284d94;
/* rgb */ color: rgb(40, 77, 148);
/* oklch */ color: oklch(43.3% 0.124 261.9);

Tailwind

colors: {
  custom: {
    50: '#707eb4',
    500: '#284d94',
    950: '#000000',
  },
}

SCSS

$custom: #284d94;
$custom-light: #707eb4;
$custom-dark: #000000;

JSON

{
  "hex": "#284d94",
  "rgb": {
    "r": 40,
    "g": 77,
    "b": 148
  },
  "hsl": {
    "h": 219.444,
    "s": 57.447,
    "l": 36.863
  },
  "oklch": {
    "l": 0.43308,
    "c": 0.12445,
    "h": 261.9
  },
  "luminance": 0.07897
}

Semantic roles & 50–950 ramp

primary

#284D94

secondary

#BA9A5E

accent

#AC47E1

background

#F7F7FB

surface

#EDEEF6

border

#C8C9D0

text

#080911

muted

#7B7B80

Preview Lab

Preview with #284D94

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

Preview Lab → · Contrast checker → · Palette generator →