#153183#153183

#153183 is a dark, vivid blue. Relative luminance 0.040; OKLCH L 35.0% C 0.142 H 265.1°. Best body text is #FFFFFF at 11.67:1 contrast (WCAG AA passes).

Color values

HEX	#153183
RGB	rgb(21, 49, 131)
HSL	hsl(225, 72%, 30%)
HSV	hsv(225, 84%, 51%)
CMYK	cmyk(84%, 62.6%, 0%, 48.6%)
CIE-LAB	lab(23.65, 22.52, -48.90)
CIE-LCH	lch(23.65, 53.84, 294.72°)
OKLab	oklab(35.03% -0.012 -0.1415)
OKLCH	oklch(35.03% 0.142 265.1)
XYZ	xyz(5.5029, 3.9941, 21.9492)
Luminance	0.0399 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#153183 #836715

analogous

#156883 #153183 #301583

triadic

#153183 #831531 #318315

tetradic

#153183 #831568 #836715 #158330

square

#153183 #831568 #836715 #158330

split-complementary

#153183 #833015 #688315

monochromatic

#040A1A #0D1D4E #153183 #1D45B8 #345FDE

Accessibility & contrast

On white

11.67

#153183 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.80

#153183 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #153183

11.67:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##153183	#FFFFFF	#000000	##FFFFFF
##153183	1.00	11.67	1.80	11.67
#FFFFFF	11.67	1.00	21.00	1.00
#000000	1.80	21.00	1.00	21.00
##FFFFFF	11.67	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003E86

Deuteranopia (green-blind)

#003381

Tritanopia (blue-blind)

#004655

Achromatopsia (no color)

#383838

Design tokens & code

CSS

--color: #153183;
/* rgb */ color: rgb(21, 49, 131);
/* oklch */ color: oklch(35.0% 0.142 265.1);

Tailwind

colors: {
  custom: {
    50: '#6868a8',
    500: '#153183',
    950: '#000000',
  },
}

SCSS

$custom: #153183;
$custom-light: #6868a8;
$custom-dark: #000000;

JSON

{
  "hex": "#153183",
  "rgb": {
    "r": 21,
    "g": 49,
    "b": 131
  },
  "hsl": {
    "h": 224.727,
    "s": 72.368,
    "l": 29.804
  },
  "oklch": {
    "l": 0.35025,
    "c": 0.14198,
    "h": 265.1
  },
  "luminance": 0.03995
}

Semantic roles & 50–950 ramp

primary

#153183

secondary

#B8983C

accent

#C139EF

background

#F6F6FA

surface

#ECEBF4

border

#C7C6CE

text

#070610

muted

#7A7A7F

Preview Lab

Preview with #153183

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

Preview Lab → · Contrast checker → · Palette generator →