#15364B#15364B

#15364B is a dark, muted cyan. Relative luminance 0.033; OKLCH L 31.9% C 0.054 H 239.5°. Best body text is #FFFFFF at 12.64:1 contrast (WCAG AA passes).

Color values

HEX	#15364B
RGB	rgb(21, 54, 75)
HSL	hsl(203, 56%, 19%)
HSV	hsv(203, 72%, 29%)
CMYK	cmyk(72%, 28%, 0%, 70.6%)
CIE-LAB	lab(21.23, -4.26, -16.47)
CIE-LCH	lch(21.23, 17.01, 255.48°)
OKLab	oklab(31.89% -0.0273 -0.0463)
OKLCH	oklch(31.89% 0.054 239.5)
XYZ	xyz(2.8979, 3.3055, 7.1405)
Luminance	0.0331 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#15364B #4B2A15

analogous

#154B45 #15364B #151B4B

triadic

#15364B #4B1536 #364B15

tetradic

#15364B #45154B #4B2A15 #1B4B15

square

#15364B #45154B #4B2A15 #1B4B15

split-complementary

#15364B #4B151B #4B4515

monochromatic

#071118 #08141B #15364B #22587B #307BAB

Accessibility & contrast

On white

12.64

#15364B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.66

#15364B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #15364B

12.64:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##15364B	#FFFFFF	#000000	##FFFFFF
##15364B	1.00	12.64	1.66	12.64
#FFFFFF	12.64	1.00	21.00	1.00
#000000	1.66	21.00	1.00	21.00
##FFFFFF	12.64	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2C364C

Deuteranopia (green-blind)

#25314B

Tritanopia (blue-blind)

#003B3D

Achromatopsia (no color)

#333333

Design tokens & code

CSS

--color: #15364b;
/* rgb */ color: rgb(21, 54, 75);
/* oklch */ color: oklch(31.9% 0.054 239.5);

Tailwind

colors: {
  custom: {
    50: '#596c7d',
    500: '#15364b',
    950: '#000000',
  },
}

SCSS

$custom: #15364b;
$custom-light: #596c7d;
$custom-dark: #000000;

JSON

{
  "hex": "#15364b",
  "rgb": {
    "r": 21,
    "g": 54,
    "b": 75
  },
  "hsl": {
    "h": 203.333,
    "s": 56.25,
    "l": 18.824
  },
  "oklch": {
    "l": 0.31893,
    "c": 0.05375,
    "h": 239.5
  },
  "luminance": 0.03306
}

Semantic roles & 50–950 ramp

primary

#15364B

secondary

#835639

accent

#8348E0

background

#F5F6F7

surface

#E9EBEE

border

#C5C6C9

text

#040709

muted

#797A7B

Preview Lab

Preview with #15364B

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

Preview Lab → · Contrast checker → · Palette generator →