#153F79#153F79

#153F79 is a dark, moderate cyan. Relative luminance 0.051; OKLCH L 37.3% C 0.109 H 257.5°. Best body text is #FFFFFF at 10.40:1 contrast (WCAG AA passes).

Color values

HEX	#153F79
RGB	rgb(21, 63, 121)
HSL	hsl(215, 70%, 28%)
HSV	hsv(215, 83%, 47%)
CMYK	cmyk(82.6%, 47.9%, 0%, 52.5%)
CIE-LAB	lab(27.00, 8.47, -37.18)
CIE-LCH	lch(27.00, 38.13, 282.84°)
OKLab	oklab(37.32% -0.0236 -0.1067)
OKLCH	oklch(37.32% 0.109 257.5)
XYZ	xyz(5.5367, 5.0943, 18.7769)
Luminance	0.0510 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#153F79 #794F15

analogous

#157179 #153F79 #1D1579

triadic

#153F79 #79153F #3F7915

tetradic

#153F79 #791571 #794F15 #15791D

square

#153F79 #791571 #794F15 #15791D

split-complementary

#153F79 #791D15 #717915

monochromatic

#050E1A #0C2445 #153F79 #1E5AAD #2E76DB

Accessibility & contrast

On white

10.40

#153F79 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.02

#153F79 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #153F79

10.40:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##153F79	#FFFFFF	#000000	##FFFFFF
##153F79	1.00	10.40	2.02	10.40
#FFFFFF	10.40	1.00	21.00	1.00
#000000	2.02	21.00	1.00	21.00
##FFFFFF	10.40	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#20457B

Deuteranopia (green-blind)

#063C78

Tritanopia (blue-blind)

#004D56

Achromatopsia (no color)

#404040

Design tokens & code

CSS

--color: #153f79;
/* rgb */ color: rgb(21, 63, 121);
/* oklch */ color: oklch(37.3% 0.109 257.5);

Tailwind

colors: {
  custom: {
    50: '#6473a0',
    500: '#153f79',
    950: '#000000',
  },
}

SCSS

$custom: #153f79;
$custom-light: #6473a0;
$custom-dark: #000000;

JSON

{
  "hex": "#153f79",
  "rgb": {
    "r": 21,
    "g": 63,
    "b": 121
  },
  "hsl": {
    "h": 214.8,
    "s": 70.423,
    "l": 27.843
  },
  "oklch": {
    "l": 0.37319,
    "c": 0.1093,
    "h": 257.5
  },
  "luminance": 0.05095
}

Semantic roles & 50–950 ramp

primary

#153F79

secondary

#AF7E3B

accent

#A23BED

background

#F6F6F9

surface

#EBECF2

border

#C6C7CC

text

#06080F

muted

#7A7B7E

Preview Lab

Preview with #153F79

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

Preview Lab → · Contrast checker → · Palette generator →