#15406D#15406D

#15406D is a dark, moderate cyan. Relative luminance 0.049; OKLCH L 36.7% C 0.091 H 252.5°. Best body text is #FFFFFF at 10.57:1 contrast (WCAG AA passes).

Color values

HEX	#15406D
RGB	rgb(21, 64, 109)
HSL	hsl(211, 68%, 25%)
HSV	hsv(211, 81%, 43%)
CMYK	cmyk(80.7%, 41.3%, 0%, 57.3%)
CIE-LAB	lab(26.53, 2.78, -30.32)
CIE-LCH	lch(26.53, 30.45, 275.24°)
OKLab	oklab(36.7% -0.0272 -0.0865)
OKLCH	oklch(36.7% 0.091 252.5)
XYZ	xyz(4.9019, 4.9298, 15.1582)
Luminance	0.0493 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#15406D #6D4215

analogous

#156C6D #15406D #16156D

triadic

#15406D #6D1540 #406D15

tetradic

#15406D #6D156C #6D4215 #156D16

square

#15406D #6D156C #6D4215 #156D16

split-complementary

#15406D #6D1615 #6C6D15

monochromatic

#050F1A #0B223A #15406D #1F5EA0 #297CD4

Accessibility & contrast

On white

10.57

#15406D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.99

#15406D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #15406D

10.57:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##15406D	#FFFFFF	#000000	##FFFFFF
##15406D	1.00	10.57	1.99	10.57
#FFFFFF	10.57	1.00	21.00	1.00
#000000	1.99	21.00	1.00	21.00
##FFFFFF	10.57	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2B436F

Deuteranopia (green-blind)

#1D3B6C

Tritanopia (blue-blind)

#004B51

Achromatopsia (no color)

#3F3F3F

Design tokens & code

CSS

--color: #15406d;
/* rgb */ color: rgb(21, 64, 109);
/* oklch */ color: oklch(36.7% 0.091 252.5);

Tailwind

colors: {
  custom: {
    50: '#617497',
    500: '#15406d',
    950: '#000000',
  },
}

SCSS

$custom: #15406d;
$custom-light: #617497;
$custom-dark: #000000;

JSON

{
  "hex": "#15406d",
  "rgb": {
    "r": 21,
    "g": 64,
    "b": 109
  },
  "hsl": {
    "h": 210.682,
    "s": 67.692,
    "l": 25.49
  },
  "oklch": {
    "l": 0.36702,
    "c": 0.09074,
    "h": 252.5
  },
  "luminance": 0.0493
}

Semantic roles & 50–950 ramp

primary

#15406D

secondary

#A3703A

accent

#963DEB

background

#F6F7F9

surface

#EBEDF2

border

#C6C8CC

text

#06080D

muted

#7A7B7E

Preview Lab

Preview with #15406D

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

Preview Lab → · Contrast checker → · Palette generator →