#15558F#15558F

#15558F is a dark, moderate cyan. Relative luminance 0.086; OKLCH L 44.2% C 0.114 H 250.7°. Best body text is #FFFFFF at 7.70:1 contrast (WCAG AA passes).

Color values

HEX	#15558F
RGB	rgb(21, 85, 143)
HSL	hsl(209, 74%, 32%)
HSV	hsv(209, 85%, 56%)
CMYK	cmyk(85.3%, 40.6%, 0%, 43.9%)
CIE-LAB	lab(35.28, 2.69, -37.55)
CIE-LCH	lch(35.28, 37.64, 274.09°)
OKLab	oklab(44.21% -0.0377 -0.1073)
OKLCH	oklch(44.21% 0.114 250.7)
XYZ	xyz(8.5138, 8.6385, 27.2000)
Luminance	0.0864 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#15558F #8F4F15

analogous

#158F8C #15558F #15188F

triadic

#15558F #8F1555 #558F15

tetradic

#15558F #8C158F #8F4F15 #188F15

square

#15558F #8C158F #8F4F15 #188F15

split-complementary

#15558F #8F1518 #8F8C15

monochromatic

#051624 #0D355A #15558F #1D75C4 #3C93E2

Accessibility & contrast

On white

7.70

#15558F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.73

#15558F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #15558F

7.70:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##15558F	#FFFFFF	#000000	##FFFFFF
##15558F	1.00	7.70	2.73	7.70
#FFFFFF	7.70	1.00	21.00	1.00
#000000	2.73	21.00	1.00	21.00
##FFFFFF	7.70	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#395991

Deuteranopia (green-blind)

#254E8E

Tritanopia (blue-blind)

#00636B

Achromatopsia (no color)

#535353

Design tokens & code

CSS

--color: #15558f;
/* rgb */ color: rgb(21, 85, 143);
/* oklch */ color: oklch(44.2% 0.114 250.7);

Tailwind

colors: {
  custom: {
    50: '#6984b0',
    500: '#15558f',
    950: '#000000',
  },
}

SCSS

$custom: #15558f;
$custom-light: #6984b0;
$custom-dark: #000000;

JSON

{
  "hex": "#15558f",
  "rgb": {
    "r": 21,
    "g": 85,
    "b": 143
  },
  "hsl": {
    "h": 208.525,
    "s": 74.39,
    "l": 32.157
  },
  "oklch": {
    "l": 0.44211,
    "c": 0.11376,
    "h": 250.7
  },
  "luminance": 0.0864
}

Semantic roles & 50–950 ramp

primary

#15558F

secondary

#C27D3E

accent

#8F37F1

background

#F6F8FA

surface

#ECEFF5

border

#C7CACF

text

#070A10

muted

#7A7C7F

Preview Lab

Preview with #15558F

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

Preview Lab → · Contrast checker → · Palette generator →