#153E8F#153E8F

#153E8F is a dark, vivid blue. Relative luminance 0.056; OKLCH L 38.9% C 0.142 H 262.0°. Best body text is #FFFFFF at 9.92:1 contrast (WCAG AA passes).

Color values

HEX	#153E8F
RGB	rgb(21, 62, 143)
HSL	hsl(220, 74%, 32%)
HSV	hsv(220, 85%, 56%)
CMYK	cmyk(85.3%, 56.6%, 0%, 43.9%)
CIE-LAB	lab(28.35, 18.32, -48.71)
CIE-LCH	lch(28.35, 52.04, 290.61°)
OKLab	oklab(38.87% -0.0197 -0.1407)
OKLCH	oklch(38.87% 0.142 262)
XYZ	xyz(6.9880, 5.5870, 26.6914)
Luminance	0.0559 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#153E8F #8F6615

analogous

#157B8F #153E8F #29158F

triadic

#153E8F #8F153E #3E8F15

tetradic

#153E8F #8F157B #8F6615 #158F29

square

#153E8F #8F157B #8F6615 #158F29

split-complementary

#153E8F #8F2915 #7B8F15

monochromatic

#051024 #0D275A #153E8F #1D55C4 #3C74E2

Accessibility & contrast

On white

9.92

#153E8F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.12

#153E8F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #153E8F

9.92:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##153E8F	#FFFFFF	#000000	##FFFFFF
##153E8F	1.00	9.92	2.12	9.92
#FFFFFF	9.92	1.00	21.00	1.00
#000000	2.12	21.00	1.00	21.00
##FFFFFF	9.92	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004992

Deuteranopia (green-blind)

#003E8D

Tritanopia (blue-blind)

#005260

Achromatopsia (no color)

#434343

Design tokens & code

CSS

--color: #153e8f;
/* rgb */ color: rgb(21, 62, 143);
/* oklch */ color: oklch(38.9% 0.142 262.0);

Tailwind

colors: {
  custom: {
    50: '#6a72b0',
    500: '#153e8f',
    950: '#000000',
  },
}

SCSS

$custom: #153e8f;
$custom-light: #6a72b0;
$custom-dark: #000000;

JSON

{
  "hex": "#153e8f",
  "rgb": {
    "r": 21,
    "g": 62,
    "b": 143
  },
  "hsl": {
    "h": 219.836,
    "s": 74.39,
    "l": 32.157
  },
  "oklch": {
    "l": 0.38868,
    "c": 0.14205,
    "h": 262
  },
  "luminance": 0.05588
}

Semantic roles & 50–950 ramp

primary

#153E8F

secondary

#C2963E

accent

#B237F1

background

#F6F6FA

surface

#ECECF5

border

#C7C7CF

text

#080711

muted

#7A7A80

Preview Lab

Preview with #153E8F

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

Preview Lab → · Contrast checker → · Palette generator →