#153F78#153F78

#153F78 is a dark, moderate cyan. Relative luminance 0.051; OKLCH L 37.2% C 0.108 H 257.3°. Best body text is #FFFFFF at 10.43:1 contrast (WCAG AA passes).

Color values

HEX	#153F78
RGB	rgb(21, 63, 120)
HSL	hsl(215, 70%, 28%)
HSV	hsv(215, 83%, 47%)
CMYK	cmyk(82.5%, 47.5%, 0%, 52.9%)
CIE-LAB	lab(26.93, 8.05, -36.66)
CIE-LCH	lch(26.93, 37.54, 282.39°)
OKLab	oklab(37.24% -0.0238 -0.1052)
OKLCH	oklch(37.24% 0.108 257.3)
XYZ	xyz(5.4757, 5.0699, 18.4556)
Luminance	0.0507 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#153F78 #784E15

analogous

#157178 #153F78 #1C1578

triadic

#153F78 #78153F #3F7815

tetradic

#153F78 #781571 #784E15 #15781C

square

#153F78 #781571 #784E15 #15781C

split-complementary

#153F78 #781C15 #717815

monochromatic

#050E1A #0C2444 #153F78 #1E5AAC #2D77DA

Accessibility & contrast

On white

10.43

#153F78 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.01

#153F78 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #153F78

10.43:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##153F78	#FFFFFF	#000000	##FFFFFF
##153F78	1.00	10.43	2.01	10.43
#FFFFFF	10.43	1.00	21.00	1.00
#000000	2.01	21.00	1.00	21.00
##FFFFFF	10.43	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#21447A

Deuteranopia (green-blind)

#093B77

Tritanopia (blue-blind)

#004D55

Achromatopsia (no color)

#404040

Design tokens & code

CSS

--color: #153f78;
/* rgb */ color: rgb(21, 63, 120);
/* oklch */ color: oklch(37.2% 0.108 257.3);

Tailwind

colors: {
  custom: {
    50: '#64739f',
    500: '#153f78',
    950: '#000000',
  },
}

SCSS

$custom: #153f78;
$custom-light: #64739f;
$custom-dark: #000000;

JSON

{
  "hex": "#153f78",
  "rgb": {
    "r": 21,
    "g": 63,
    "b": 120
  },
  "hsl": {
    "h": 214.545,
    "s": 70.213,
    "l": 27.647
  },
  "oklch": {
    "l": 0.37244,
    "c": 0.10785,
    "h": 257.3
  },
  "luminance": 0.05071
}

Semantic roles & 50–950 ramp

primary

#153F78

secondary

#AE7D3B

accent

#A13BED

background

#F6F6F9

surface

#EBECF2

border

#C6C7CC

text

#06080E

muted

#7A7B7E

Preview Lab

Preview with #153F78

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

Preview Lab → · Contrast checker → · Palette generator →