#153D84#153D84

#153D84 is a dark, vivid blue. Relative luminance 0.052; OKLCH L 37.7% C 0.128 H 260.9°. Best body text is #FFFFFF at 10.33:1 contrast (WCAG AA passes).

Color values

HEX	#153D84
RGB	rgb(21, 61, 132)
HSL	hsl(218, 73%, 30%)
HSV	hsv(218, 84%, 52%)
CMYK	cmyk(84.1%, 53.8%, 0%, 48.2%)
CIE-LAB	lab(27.19, 14.47, -43.77)
CIE-LCH	lch(27.19, 46.10, 288.29°)
OKLab	oklab(37.72% -0.0202 -0.1262)
OKLCH	oklch(37.72% 0.128 260.9)
XYZ	xyz(6.1414, 5.1621, 22.4980)
Luminance	0.0516 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#153D84 #845C15

analogous

#157584 #153D84 #241584

triadic

#153D84 #84153D #3D8415

tetradic

#153D84 #841575 #845C15 #158424

square

#153D84 #841575 #845C15 #158424

split-complementary

#153D84 #842415 #758415

monochromatic

#040C1A #0D254F #153D84 #1D55B9 #3572DF

Accessibility & contrast

On white

10.33

#153D84 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.03

#153D84 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #153D84

10.33:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##153D84	#FFFFFF	#000000	##FFFFFF
##153D84	1.00	10.33	2.03	10.33
#FFFFFF	10.33	1.00	21.00	1.00
#000000	2.03	21.00	1.00	21.00
##FFFFFF	10.33	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0A4687

Deuteranopia (green-blind)

#003B83

Tritanopia (blue-blind)

#004E5A

Achromatopsia (no color)

#404040

Design tokens & code

CSS

--color: #153d84;
/* rgb */ color: rgb(21, 61, 132);
/* oklch */ color: oklch(37.7% 0.128 260.9);

Tailwind

colors: {
  custom: {
    50: '#6771a8',
    500: '#153d84',
    950: '#000000',
  },
}

SCSS

$custom: #153d84;
$custom-light: #6771a8;
$custom-dark: #000000;

JSON

{
  "hex": "#153d84",
  "rgb": {
    "r": 21,
    "g": 61,
    "b": 132
  },
  "hsl": {
    "h": 218.378,
    "s": 72.549,
    "l": 30
  },
  "oklch": {
    "l": 0.3772,
    "c": 0.12777,
    "h": 260.9
  },
  "luminance": 0.05163
}

Semantic roles & 50–950 ramp

primary

#153D84

secondary

#B98C3C

accent

#AD39EF

background

#F6F6FA

surface

#EBECF4

border

#C6C7CE

text

#070710

muted

#7A7A7F

Preview Lab

Preview with #153D84

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

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