#153C73#153C73

#153C73 is a dark, moderate blue. Relative luminance 0.046; OKLCH L 36.1% C 0.104 H 257.8°. Best body text is #FFFFFF at 10.90:1 contrast (WCAG AA passes).

Color values

HEX	#153C73
RGB	rgb(21, 60, 115)
HSL	hsl(215, 69%, 27%)
HSV	hsv(215, 82%, 45%)
CMYK	cmyk(81.7%, 47.8%, 0%, 54.9%)
CIE-LAB	lab(25.65, 8.06, -35.56)
CIE-LCH	lch(25.65, 36.46, 282.77°)
OKLab	oklab(36.14% -0.0221 -0.102)
OKLCH	oklch(36.14% 0.104 257.8)
XYZ	xyz(5.0185, 4.6284, 16.8452)
Luminance	0.0463 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#153C73 #734C15

analogous

#156B73 #153C73 #1D1573

triadic

#153C73 #73153C #3C7315

tetradic

#153C73 #73156B #734C15 #15731D

square

#153C73 #73156B #734C15 #15731D

split-complementary

#153C73 #731D15 #6B7315

monochromatic

#050E1A #0C213F #153C73 #1E57A7 #2A72D8

Accessibility & contrast

On white

10.90

#153C73 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.93

#153C73 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #153C73

10.90:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##153C73	#FFFFFF	#000000	##FFFFFF
##153C73	1.00	10.90	1.93	10.90
#FFFFFF	10.90	1.00	21.00	1.00
#000000	1.93	21.00	1.00	21.00
##FFFFFF	10.90	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1F4175

Deuteranopia (green-blind)

#083972

Tritanopia (blue-blind)

#004952

Achromatopsia (no color)

#3D3D3D

Design tokens & code

CSS

--color: #153c73;
/* rgb */ color: rgb(21, 60, 115);
/* oklch */ color: oklch(36.1% 0.104 257.8);

Tailwind

colors: {
  custom: {
    50: '#62719c',
    500: '#153c73',
    950: '#000000',
  },
}

SCSS

$custom: #153c73;
$custom-light: #62719c;
$custom-dark: #000000;

JSON

{
  "hex": "#153c73",
  "rgb": {
    "r": 21,
    "g": 60,
    "b": 115
  },
  "hsl": {
    "h": 215.106,
    "s": 69.118,
    "l": 26.667
  },
  "oklch": {
    "l": 0.36141,
    "c": 0.10439,
    "h": 257.8
  },
  "luminance": 0.04629
}

Semantic roles & 50–950 ramp

primary

#153C73

secondary

#A97B3B

accent

#A33CEC

background

#F6F6F9

surface

#EBECF2

border

#C6C7CC

text

#06070E

muted

#7A7A7E

Preview Lab

Preview with #153C73

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

Preview Lab → · Contrast checker → · Palette generator →