#15576B#15576B

#15576B is a dark, moderate cyan. Relative luminance 0.080; OKLCH L 42.6% C 0.071 H 223.0°. Best body text is #FFFFFF at 8.05:1 contrast (WCAG AA passes).

Color values

HEX	#15576B
RGB	rgb(21, 87, 107)
HSL	hsl(194, 67%, 25%)
HSV	hsv(194, 80%, 42%)
CMYK	cmyk(80.4%, 18.7%, 0%, 58%)
CIE-LAB	lab(34.06, -12.67, -17.27)
CIE-LCH	lch(34.06, 21.42, 233.72°)
OKLab	oklab(42.63% -0.0519 -0.0484)
OKLCH	oklch(42.63% 0.071 223)
XYZ	xyz(6.3702, 8.0366, 15.1225)
Luminance	0.0804 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#15576B #6B2915

analogous

#156B54 #15576B #152C6B

triadic

#15576B #6B1557 #576B15

tetradic

#15576B #54156B #6B2915 #2C6B15

square

#15576B #54156B #6B2915 #2C6B15

split-complementary

#15576B #6B152C #6B5415

monochromatic

#05151A #0B2D38 #15576B #1F819E #29AAD1

Accessibility & contrast

On white

8.05

#15576B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.61

#15576B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #15576B

8.05:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##15576B	#FFFFFF	#000000	##FFFFFF
##15576B	1.00	8.05	2.61	8.05
#FFFFFF	8.05	1.00	21.00	1.00
#000000	2.61	21.00	1.00	21.00
##FFFFFF	8.05	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4C556C

Deuteranopia (green-blind)

#404C6B

Tritanopia (blue-blind)

#005D5D

Achromatopsia (no color)

#505050

Design tokens & code

CSS

--color: #15576b;
/* rgb */ color: rgb(21, 87, 107);
/* oklch */ color: oklch(42.6% 0.071 223.0);

Tailwind

colors: {
  custom: {
    50: '#628695',
    500: '#15576b',
    950: '#000000',
  },
}

SCSS

$custom: #15576b;
$custom-light: #628695;
$custom-dark: #000000;

JSON

{
  "hex": "#15576b",
  "rgb": {
    "r": 21,
    "g": 87,
    "b": 107
  },
  "hsl": {
    "h": 193.953,
    "s": 67.188,
    "l": 25.098
  },
  "oklch": {
    "l": 0.42633,
    "c": 0.07098,
    "h": 223
  },
  "luminance": 0.08037
}

Semantic roles & 50–950 ramp

primary

#15576B

secondary

#A2523A

accent

#663EEA

background

#F6F8F9

surface

#EBEFF1

border

#C6CACB

text

#060B0D

muted

#7A7C7E

Preview Lab

Preview with #15576B

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

Preview Lab → · Contrast checker → · Palette generator →