#15374F#15374F

#15374F is a dark, muted cyan. Relative luminance 0.035; OKLCH L 32.4% C 0.058 H 242.4°. Best body text is #FFFFFF at 12.42:1 contrast (WCAG AA passes).

Color values

HEX	#15374F
RGB	rgb(21, 55, 79)
HSL	hsl(205, 58%, 20%)
HSV	hsv(205, 73%, 31%)
CMYK	cmyk(73.4%, 30.4%, 0%, 69%)
CIE-LAB	lab(21.78, -3.35, -18.27)
CIE-LCH	lch(21.78, 18.58, 259.61°)
OKLab	oklab(32.4% -0.027 -0.0515)
OKLCH	oklch(32.4% 0.058 242.4)
XYZ	xyz(3.0862, 3.4560, 7.9000)
Luminance	0.0346 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#15374F #4F2D15

analogous

#154F4A #15374F #151A4F

triadic

#15374F #4F1537 #374F15

tetradic

#15374F #4A154F #4F2D15 #1A4F15

square

#15374F #4A154F #4F2D15 #1A4F15

split-complementary

#15374F #4F151A #4F4A15

monochromatic

#061118 #08151F #15374F #22597F #2F7AB0

Accessibility & contrast

On white

12.42

#15374F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.69

#15374F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #15374F

12.42:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##15374F	#FFFFFF	#000000	##FFFFFF
##15374F	1.00	12.42	1.69	12.42
#FFFFFF	12.42	1.00	21.00	1.00
#000000	1.69	21.00	1.00	21.00
##FFFFFF	12.42	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2C3750

Deuteranopia (green-blind)

#24324F

Tritanopia (blue-blind)

#003D3F

Achromatopsia (no color)

#343434

Design tokens & code

CSS

--color: #15374f;
/* rgb */ color: rgb(21, 55, 79);
/* oklch */ color: oklch(32.4% 0.058 242.4);

Tailwind

colors: {
  custom: {
    50: '#5a6d80',
    500: '#15374f',
    950: '#000000',
  },
}

SCSS

$custom: #15374f;
$custom-light: #5a6d80;
$custom-dark: #000000;

JSON

{
  "hex": "#15374f",
  "rgb": {
    "r": 21,
    "g": 55,
    "b": 79
  },
  "hsl": {
    "h": 204.828,
    "s": 58,
    "l": 19.608
  },
  "oklch": {
    "l": 0.32403,
    "c": 0.05815,
    "h": 242.4
  },
  "luminance": 0.03456
}

Semantic roles & 50–950 ramp

primary

#15374F

secondary

#875939

accent

#8747E1

background

#F5F6F7

surface

#E9EBEE

border

#C5C6C9

text

#04070A

muted

#797A7C

Preview Lab

Preview with #15374F

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

Preview Lab → · Contrast checker → · Palette generator →