#283153#283153

#283153 is a dark, moderate blue. Relative luminance 0.033; OKLCH L 32.2% C 0.062 H 271.4°. Best body text is #FFFFFF at 12.69:1 contrast (WCAG AA passes).

Color values

HEX	#283153
RGB	rgb(40, 49, 83)
HSL	hsl(227, 35%, 24%)
HSV	hsv(227, 52%, 33%)
CMYK	cmyk(51.8%, 41%, 0%, 67.5%)
CIE-LAB	lab(21.10, 6.96, -21.93)
CIE-LCH	lch(21.10, 23.01, 287.61°)
OKLab	oklab(32.24% 0.0015 -0.0619)
OKLCH	oklch(32.24% 0.062 271.4)
XYZ	xyz(3.5342, 3.2721, 8.6273)
Luminance	0.0327 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#283153 #534A28

analogous

#284753 #283153 #352853

triadic

#283153 #532831 #315328

tetradic

#283153 #532847 #534A28 #285335

square

#283153 #532847 #534A28 #285335

split-complementary

#283153 #533528 #475328

monochromatic

#0A0C15 #14192A #283153 #3C497C #5062A6

Accessibility & contrast

On white

12.69

#283153 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.65

#283153 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #283153

12.69:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##283153	#FFFFFF	#000000	##FFFFFF
##283153	1.00	12.69	1.65	12.69
#FFFFFF	12.69	1.00	21.00	1.00
#000000	1.65	21.00	1.00	21.00
##FFFFFF	12.69	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#243554

Deuteranopia (green-blind)

#203152

Tritanopia (blue-blind)

#17383E

Achromatopsia (no color)

#333333

Design tokens & code

CSS

--color: #283153;
/* rgb */ color: rgb(40, 49, 83);
/* oklch */ color: oklch(32.2% 0.062 271.4);

Tailwind

colors: {
  custom: {
    50: '#656883',
    500: '#283153',
    950: '#000000',
  },
}

SCSS

$custom: #283153;
$custom-light: #656883;
$custom-dark: #000000;

JSON

{
  "hex": "#283153",
  "rgb": {
    "r": 40,
    "g": 49,
    "b": 83
  },
  "hsl": {
    "h": 227.442,
    "s": 34.959,
    "l": 24.118
  },
  "oklch": {
    "l": 0.32235,
    "c": 0.06188,
    "h": 271.4
  },
  "luminance": 0.03272
}

Semantic roles & 50–950 ramp

primary

#283153

secondary

#867B51

accent

#B45DCB

background

#F6F6F8

surface

#EBEBEF

border

#C6C6CA

text

#06060A

muted

#7A7A7C

Preview Lab

Preview with #283153

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

Preview Lab → · Contrast checker → · Palette generator →