#284166#284166

#284166 is a dark, moderate blue. Relative luminance 0.052; OKLCH L 37.4% C 0.071 H 258.0°. Best body text is #FFFFFF at 10.30:1 contrast (WCAG AA passes).

Color values

HEX	#284166
RGB	rgb(40, 65, 102)
HSL	hsl(216, 44%, 28%)
HSV	hsv(216, 61%, 40%)
CMYK	cmyk(60.8%, 36.3%, 0%, 60%)
CIE-LAB	lab(27.27, 2.85, -24.62)
CIE-LCH	lch(27.27, 24.79, 276.59°)
OKLab	oklab(37.37% -0.0147 -0.0696)
OKLCH	oklch(37.37% 0.071 258)
XYZ	xyz(5.1628, 5.1906, 13.2976)
Luminance	0.0519 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#284166 #664D28

analogous

#286066 #284166 #2E2866

triadic

#284166 #662841 #416628

tetradic

#284166 #662860 #664D28 #28662E

square

#284166 #662860 #664D28 #28662E

split-complementary

#284166 #662E28 #606628

monochromatic

#090E16 #17253A #284166 #395D92 #4F7ABA

Accessibility & contrast

On white

10.30

#284166 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.04

#284166 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #284166

10.30:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##284166	#FFFFFF	#000000	##FFFFFF
##284166	1.00	10.30	2.04	10.30
#FFFFFF	10.30	1.00	21.00	1.00
#000000	2.04	21.00	1.00	21.00
##FFFFFF	10.30	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#324468

Deuteranopia (green-blind)

#2A3E65

Tritanopia (blue-blind)

#00494E

Achromatopsia (no color)

#404040

Design tokens & code

CSS

--color: #284166;
/* rgb */ color: rgb(40, 65, 102);
/* oklch */ color: oklch(37.4% 0.071 258.0);

Tailwind

colors: {
  custom: {
    50: '#677592',
    500: '#284166',
    950: '#000000',
  },
}

SCSS

$custom: #284166;
$custom-light: #677592;
$custom-dark: #000000;

JSON

{
  "hex": "#284166",
  "rgb": {
    "r": 40,
    "g": 65,
    "b": 102
  },
  "hsl": {
    "h": 215.806,
    "s": 43.662,
    "l": 27.843
  },
  "oklch": {
    "l": 0.37372,
    "c": 0.07112,
    "h": 258
  },
  "luminance": 0.05191
}

Semantic roles & 50–950 ramp

primary

#284166

secondary

#997C51

accent

#A054D3

background

#F6F7F8

surface

#EBEDF0

border

#C6C8CB

text

#06080D

muted

#7A7B7D

Preview Lab

Preview with #284166

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

Preview Lab → · Contrast checker → · Palette generator →