#153B72#153B72

#153B72 is a dark, moderate blue. Relative luminance 0.045; OKLCH L 35.8% C 0.104 H 258.2°. Best body text is #FFFFFF at 11.05:1 contrast (WCAG AA passes).

Color values

HEX	#153B72
RGB	rgb(21, 59, 114)
HSL	hsl(215, 69%, 26%)
HSV	hsv(215, 82%, 45%)
CMYK	cmyk(81.6%, 48.2%, 0%, 55.3%)
CIE-LAB	lab(25.27, 8.34, -35.54)
CIE-LCH	lch(25.27, 36.50, 283.21°)
OKLab	oklab(35.82% -0.0214 -0.102)
OKLCH	oklch(35.82% 0.104 258.2)
XYZ	xyz(4.9094, 4.5017, 16.5265)
Luminance	0.0450 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#153B72 #724C15

analogous

#156A72 #153B72 #1E1572

triadic

#153B72 #72153B #3B7215

tetradic

#153B72 #72156A #724C15 #15721E

square

#153B72 #72156A #724C15 #15721E

split-complementary

#153B72 #721E15 #6A7215

monochromatic

#050D1A #0B203E #153B72 #1F56A6 #2A71D8

Accessibility & contrast

On white

11.05

#153B72 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.90

#153B72 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #153B72

11.05:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##153B72	#FFFFFF	#000000	##FFFFFF
##153B72	1.00	11.05	1.90	11.05
#FFFFFF	11.05	1.00	21.00	1.00
#000000	1.90	21.00	1.00	21.00
##FFFFFF	11.05	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1E4074

Deuteranopia (green-blind)

#073871

Tritanopia (blue-blind)

#004851

Achromatopsia (no color)

#3C3C3C

Design tokens & code

CSS

--color: #153b72;
/* rgb */ color: rgb(21, 59, 114);
/* oklch */ color: oklch(35.8% 0.104 258.2);

Tailwind

colors: {
  custom: {
    50: '#62709b',
    500: '#153b72',
    950: '#000000',
  },
}

SCSS

$custom: #153b72;
$custom-light: #62709b;
$custom-dark: #000000;

JSON

{
  "hex": "#153b72",
  "rgb": {
    "r": 21,
    "g": 59,
    "b": 114
  },
  "hsl": {
    "h": 215.484,
    "s": 68.889,
    "l": 26.471
  },
  "oklch": {
    "l": 0.35823,
    "c": 0.1042,
    "h": 258.2
  },
  "luminance": 0.04502
}

Semantic roles & 50–950 ramp

primary

#153B72

secondary

#A87B3B

accent

#A43CEC

background

#F6F6F9

surface

#EBECF2

border

#C6C7CC

text

#06070E

muted

#7A7A7E

Preview Lab

Preview with #153B72

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

Preview Lab → · Contrast checker → · Palette generator →