#284083#284083

#284083 is a dark, moderate blue. Relative luminance 0.058; OKLCH L 39.1% C 0.116 H 266.3°. Best body text is #FFFFFF at 9.76:1 contrast (WCAG AA passes).

Color values

HEX	#284083
RGB	rgb(40, 64, 131)
HSL	hsl(224, 53%, 34%)
HSV	hsv(224, 69%, 51%)
CMYK	cmyk(69.5%, 51.1%, 0%, 48.6%)
CIE-LAB	lab(28.79, 14.55, -40.53)
CIE-LCH	lch(28.79, 43.06, 289.75°)
OKLab	oklab(39.13% -0.0076 -0.1162)
OKLCH	oklch(39.13% 0.116 266.3)
XYZ	xyz(6.8038, 5.7559, 22.2208)
Luminance	0.0576 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#284083 #836B28

analogous

#286D83 #284083 #3D2883

triadic

#284083 #832840 #408328

tetradic

#284083 #83286D #836B28 #28833D

square

#284083 #83286D #836B28 #28833D

split-complementary

#284083 #833D28 #6D8328

monochromatic

#0B1225 #1A2954 #284083 #3657B2 #5977CC

Accessibility & contrast

On white

9.76

#284083 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.15

#284083 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #284083

9.76:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##284083	#FFFFFF	#000000	##FFFFFF
##284083	1.00	9.76	2.15	9.76
#FFFFFF	9.76	1.00	21.00	1.00
#000000	2.15	21.00	1.00	21.00
##FFFFFF	9.76	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1B4885

Deuteranopia (green-blind)

#014082

Tritanopia (blue-blind)

#00505B

Achromatopsia (no color)

#444444

Design tokens & code

CSS

--color: #284083;
/* rgb */ color: rgb(40, 64, 131);
/* oklch */ color: oklch(39.1% 0.116 266.3);

Tailwind

colors: {
  custom: {
    50: '#6d74a7',
    500: '#284083',
    950: '#000000',
  },
}

SCSS

$custom: #284083;
$custom-light: #6d74a7;
$custom-dark: #000000;

JSON

{
  "hex": "#284083",
  "rgb": {
    "r": 40,
    "g": 64,
    "b": 131
  },
  "hsl": {
    "h": 224.176,
    "s": 53.216,
    "l": 33.529
  },
  "oklch": {
    "l": 0.3913,
    "c": 0.11648,
    "h": 266.3
  },
  "luminance": 0.05757
}

Semantic roles & 50–950 ramp

primary

#284083

secondary

#B19955

accent

#B64BDD

background

#F6F7FA

surface

#ECEDF4

border

#C7C8CE

text

#08080F

muted

#7B7B7F

Preview Lab

Preview with #284083

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

Preview Lab → · Contrast checker → · Palette generator →