#153983#153983

#153983 is a dark, vivid blue. Relative luminance 0.047; OKLCH L 36.7% C 0.132 H 262.4°. Best body text is #FFFFFF at 10.80:1 contrast (WCAG AA passes).

Color values

HEX	#153983
RGB	rgb(21, 57, 131)
HSL	hsl(220, 72%, 30%)
HSV	hsv(220, 84%, 51%)
CMYK	cmyk(84%, 56.5%, 0%, 48.6%)
CIE-LAB	lab(25.93, 16.87, -45.19)
CIE-LCH	lch(25.93, 48.23, 290.47°)
OKLab	oklab(36.74% -0.0174 -0.1304)
OKLCH	oklch(36.74% 0.132 262.4)
XYZ	xyz(5.8676, 4.7237, 22.0708)
Luminance	0.0472 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#153983 #835F15

analogous

#157083 #153983 #281583

triadic

#153983 #831539 #398315

tetradic

#153983 #831570 #835F15 #158328

square

#153983 #831570 #835F15 #158328

split-complementary

#153983 #832815 #708315

monochromatic

#040B1A #0D224E #153983 #1D50B8 #346CDE

Accessibility & contrast

On white

10.80

#153983 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.94

#153983 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #153983

10.80:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##153983	#FFFFFF	#000000	##FFFFFF
##153983	1.00	10.80	1.94	10.80
#FFFFFF	10.80	1.00	21.00	1.00
#000000	1.94	21.00	1.00	21.00
##FFFFFF	10.80	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004386

Deuteranopia (green-blind)

#003982

Tritanopia (blue-blind)

#004B58

Achromatopsia (no color)

#3D3D3D

Design tokens & code

CSS

--color: #153983;
/* rgb */ color: rgb(21, 57, 131);
/* oklch */ color: oklch(36.7% 0.132 262.4);

Tailwind

colors: {
  custom: {
    50: '#676ea8',
    500: '#153983',
    950: '#000000',
  },
}

SCSS

$custom: #153983;
$custom-light: #676ea8;
$custom-dark: #000000;

JSON

{
  "hex": "#153983",
  "rgb": {
    "r": 21,
    "g": 57,
    "b": 131
  },
  "hsl": {
    "h": 220.364,
    "s": 72.368,
    "l": 29.804
  },
  "oklch": {
    "l": 0.36738,
    "c": 0.13157,
    "h": 262.4
  },
  "luminance": 0.04724
}

Semantic roles & 50–950 ramp

primary

#153983

secondary

#B88F3C

accent

#B339EF

background

#F6F6FA

surface

#EBEBF4

border

#C6C6CE

text

#070710

muted

#7A7A7F

Preview Lab

Preview with #153983

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

Preview Lab → · Contrast checker → · Palette generator →