#153789#153789

#153789 is a dark, vivid blue. Relative luminance 0.047; OKLCH L 36.8% C 0.143 H 263.7°. Best body text is #FFFFFF at 10.83:1 contrast (WCAG AA passes).

Color values

HEX	#153789
RGB	rgb(21, 55, 137)
HSL	hsl(222, 73%, 31%)
HSV	hsv(222, 85%, 54%)
CMYK	cmyk(84.7%, 59.9%, 0%, 46.3%)
CIE-LAB	lab(25.85, 20.75, -49.06)
CIE-LCH	lch(25.85, 53.27, 292.93°)
OKLab	oklab(36.84% -0.0156 -0.1418)
OKLCH	oklch(36.84% 0.143 263.7)
XYZ	xyz(6.1892, 4.6972, 24.2425)
Luminance	0.0470 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#153789 #896715

analogous

#157189 #153789 #2D1589

triadic

#153789 #891537 #378915

tetradic

#153789 #891571 #896715 #15892D

square

#153789 #891571 #896715 #15892D

split-complementary

#153789 #892D15 #718915

monochromatic

#050C1F #0D2254 #153789 #1D4CBE #3869E0

Accessibility & contrast

On white

10.83

#153789 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.94

#153789 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #153789

10.83:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##153789	#FFFFFF	#000000	##FFFFFF
##153789	1.00	10.83	1.94	10.83
#FFFFFF	10.83	1.00	21.00	1.00
#000000	1.94	21.00	1.00	21.00
##FFFFFF	10.83	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00438C

Deuteranopia (green-blind)

#003887

Tritanopia (blue-blind)

#004C5A

Achromatopsia (no color)

#3D3D3D

Design tokens & code

CSS

--color: #153789;
/* rgb */ color: rgb(21, 55, 137);
/* oklch */ color: oklch(36.8% 0.143 263.7);

Tailwind

colors: {
  custom: {
    50: '#696dac',
    500: '#153789',
    950: '#000000',
  },
}

SCSS

$custom: #153789;
$custom-light: #696dac;
$custom-dark: #000000;

JSON

{
  "hex": "#153789",
  "rgb": {
    "r": 21,
    "g": 55,
    "b": 137
  },
  "hsl": {
    "h": 222.414,
    "s": 73.418,
    "l": 30.98
  },
  "oklch": {
    "l": 0.36835,
    "c": 0.14267,
    "h": 263.7
  },
  "luminance": 0.04698
}

Semantic roles & 50–950 ramp

primary

#153789

secondary

#BD973D

accent

#BA38F0

background

#F6F6FA

surface

#ECEBF4

border

#C7C6CE

text

#070710

muted

#7A7A7F

Preview Lab

Preview with #153789

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

Preview Lab → · Contrast checker → · Palette generator →