#15536D#15536D

#15536D is a dark, moderate cyan. Relative luminance 0.074; OKLCH L 41.7% C 0.074 H 230.9°. Best body text is #FFFFFF at 8.43:1 contrast (WCAG AA passes).

Color values

HEX	#15536D
RGB	rgb(21, 83, 109)
HSL	hsl(198, 68%, 25%)
HSV	hsv(198, 81%, 43%)
CMYK	cmyk(80.7%, 23.9%, 0%, 57.3%)
CIE-LAB	lab(32.81, -9.52, -20.45)
CIE-LCH	lch(32.81, 22.56, 245.03°)
OKLab	oklab(41.66% -0.0468 -0.0575)
OKLCH	oklch(41.66% 0.074 230.9)
XYZ	xyz(6.1617, 7.4493, 15.5781)
Luminance	0.0745 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#15536D #6D2F15

analogous

#156D5B #15536D #15276D

triadic

#15536D #6D1553 #536D15

tetradic

#15536D #5B156D #6D2F15 #276D15

square

#15536D #5B156D #6D2F15 #276D15

split-complementary

#15536D #6D1527 #6D5B15

monochromatic

#05141A #0B2C3A #15536D #1F7AA0 #29A1D4

Accessibility & contrast

On white

8.43

#15536D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.49

#15536D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #15536D

8.43:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##15536D	#FFFFFF	#000000	##FFFFFF
##15536D	1.00	8.43	2.49	8.43
#FFFFFF	8.43	1.00	21.00	1.00
#000000	2.49	21.00	1.00	21.00
##FFFFFF	8.43	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#46526E

Deuteranopia (green-blind)

#3A496D

Tritanopia (blue-blind)

#005A5C

Achromatopsia (no color)

#4D4D4D

Design tokens & code

CSS

--color: #15536d;
/* rgb */ color: rgb(21, 83, 109);
/* oklch */ color: oklch(41.7% 0.074 230.9);

Tailwind

colors: {
  custom: {
    50: '#628397',
    500: '#15536d',
    950: '#000000',
  },
}

SCSS

$custom: #15536d;
$custom-light: #628397;
$custom-dark: #000000;

JSON

{
  "hex": "#15536d",
  "rgb": {
    "r": 21,
    "g": 83,
    "b": 109
  },
  "hsl": {
    "h": 197.727,
    "s": 67.692,
    "l": 25.49
  },
  "oklch": {
    "l": 0.41662,
    "c": 0.07418,
    "h": 230.9
  },
  "luminance": 0.0745
}

Semantic roles & 50–950 ramp

primary

#15536D

secondary

#A3593A

accent

#703DEB

background

#F6F8F9

surface

#EBEFF2

border

#C6CACC

text

#060A0D

muted

#7A7C7E

Preview Lab

Preview with #15536D

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

Preview Lab → · Contrast checker → · Palette generator →