#15406C#15406C

#15406C is a dark, moderate cyan. Relative luminance 0.049; OKLCH L 36.6% C 0.089 H 252.1°. Best body text is #FFFFFF at 10.60:1 contrast (WCAG AA passes).

Color values

HEX	#15406C
RGB	rgb(21, 64, 108)
HSL	hsl(210, 67%, 25%)
HSV	hsv(210, 81%, 42%)
CMYK	cmyk(80.6%, 40.7%, 0%, 57.6%)
CIE-LAB	lab(26.47, 2.36, -29.78)
CIE-LCH	lch(26.47, 29.87, 274.54°)
OKLab	oklab(36.63% -0.0275 -0.085)
OKLCH	oklch(36.63% 0.089 252.1)
XYZ	xyz(4.8484, 4.9084, 14.8763)
Luminance	0.0491 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#15406C #6C4115

analogous

#156B6C #15406C #16156C

triadic

#15406C #6C1540 #406C15

tetradic

#15406C #6C156B #6C4115 #156C16

square

#15406C #6C156B #6C4115 #156C16

split-complementary

#15406C #6C1615 #6B6C15

monochromatic

#050F1A #0B2239 #15406C #1F5E9F #297DD2

Accessibility & contrast

On white

10.60

#15406C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.98

#15406C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #15406C

10.60:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##15406C	#FFFFFF	#000000	##FFFFFF
##15406C	1.00	10.60	1.98	10.60
#FFFFFF	10.60	1.00	21.00	1.00
#000000	1.98	21.00	1.00	21.00
##FFFFFF	10.60	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2B436E

Deuteranopia (green-blind)

#1E3B6B

Tritanopia (blue-blind)

#004A50

Achromatopsia (no color)

#3F3F3F

Design tokens & code

CSS

--color: #15406c;
/* rgb */ color: rgb(21, 64, 108);
/* oklch */ color: oklch(36.6% 0.089 252.1);

Tailwind

colors: {
  custom: {
    50: '#617496',
    500: '#15406c',
    950: '#000000',
  },
}

SCSS

$custom: #15406c;
$custom-light: #617496;
$custom-dark: #000000;

JSON

{
  "hex": "#15406c",
  "rgb": {
    "r": 21,
    "g": 64,
    "b": 108
  },
  "hsl": {
    "h": 210.345,
    "s": 67.442,
    "l": 25.294
  },
  "oklch": {
    "l": 0.36633,
    "c": 0.08931,
    "h": 252.1
  },
  "luminance": 0.04909
}

Semantic roles & 50–950 ramp

primary

#15406C

secondary

#A36F3A

accent

#953DEA

background

#F6F7F9

surface

#EBEDF2

border

#C6C8CC

text

#05080D

muted

#7A7B7E

Preview Lab

Preview with #15406C

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

Preview Lab → · Contrast checker → · Palette generator →