#153B90#153B90

#153B90 is a dark, vivid blue. Relative luminance 0.053; OKLCH L 38.3% C 0.147 H 263.1°. Best body text is #FFFFFF at 10.19:1 contrast (WCAG AA passes).

Color values

HEX	#153B90
RGB	rgb(21, 59, 144)
HSL	hsl(221, 75%, 32%)
HSV	hsv(221, 85%, 56%)
CMYK	cmyk(85.4%, 59%, 0%, 43.5%)
CIE-LAB	lab(27.57, 20.82, -50.59)
CIE-LCH	lch(27.57, 54.70, 292.37°)
OKLab	oklab(38.31% -0.0177 -0.1462)
OKLCH	oklch(38.31% 0.147 263.1)
XYZ	xyz(6.9055, 5.3001, 27.0392)
Luminance	0.0530 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#153B90 #906A15

analogous

#157990 #153B90 #2C1590

triadic

#153B90 #90153B #3B9015

tetradic

#153B90 #901579 #906A15 #15902C

square

#153B90 #901579 #906A15 #15902C

split-complementary

#153B90 #902C15 #799015

monochromatic

#050F25 #0D255B #153B90 #1D51C5 #3D70E3

Accessibility & contrast

On white

10.19

#153B90 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.06

#153B90 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #153B90

10.19:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##153B90	#FFFFFF	#000000	##FFFFFF
##153B90	1.00	10.19	2.06	10.19
#FFFFFF	10.19	1.00	21.00	1.00
#000000	2.06	21.00	1.00	21.00
##FFFFFF	10.19	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004793

Deuteranopia (green-blind)

#003C8E

Tritanopia (blue-blind)

#00515F

Achromatopsia (no color)

#414141

Design tokens & code

CSS

--color: #153b90;
/* rgb */ color: rgb(21, 59, 144);
/* oklch */ color: oklch(38.3% 0.147 263.1);

Tailwind

colors: {
  custom: {
    50: '#6a70b1',
    500: '#153b90',
    950: '#000000',
  },
}

SCSS

$custom: #153b90;
$custom-light: #6a70b1;
$custom-dark: #000000;

JSON

{
  "hex": "#153b90",
  "rgb": {
    "r": 21,
    "g": 59,
    "b": 144
  },
  "hsl": {
    "h": 221.463,
    "s": 74.545,
    "l": 32.353
  },
  "oklch": {
    "l": 0.38311,
    "c": 0.1473,
    "h": 263.1
  },
  "luminance": 0.05301
}

Semantic roles & 50–950 ramp

primary

#153B90

secondary

#C29A3E

accent

#B837F1

background

#F6F6FB

surface

#ECECF6

border

#C7C7D0

text

#080711

muted

#7A7A80

Preview Lab

Preview with #153B90

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

Preview Lab → · Contrast checker → · Palette generator →