#15406E#15406E

#15406E is a dark, moderate cyan. Relative luminance 0.050; OKLCH L 36.8% C 0.092 H 253.0°. Best body text is #FFFFFF at 10.55:1 contrast (WCAG AA passes).

Color values

HEX	#15406E
RGB	rgb(21, 64, 110)
HSL	hsl(211, 68%, 26%)
HSV	hsv(211, 81%, 43%)
CMYK	cmyk(80.9%, 41.8%, 0%, 56.9%)
CIE-LAB	lab(26.60, 3.19, -30.86)
CIE-LCH	lch(26.60, 31.03, 275.91°)
OKLab	oklab(36.77% -0.027 -0.0881)
OKLCH	oklch(36.77% 0.092 253)
XYZ	xyz(4.9561, 4.9514, 15.4433)
Luminance	0.0495 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#15406E #6E4315

analogous

#156C6E #15406E #16156E

triadic

#15406E #6E1540 #406E15

tetradic

#15406E #6E156C #6E4315 #156E16

square

#15406E #6E156C #6E4315 #156E16

split-complementary

#15406E #6E1615 #6C6E15

monochromatic

#050F1A #0B223B #15406E #1F5EA1 #297CD5

Accessibility & contrast

On white

10.55

#15406E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.99

#15406E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #15406E

10.55:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##15406E	#FFFFFF	#000000	##FFFFFF
##15406E	1.00	10.55	1.99	10.55
#FFFFFF	10.55	1.00	21.00	1.00
#000000	1.99	21.00	1.00	21.00
##FFFFFF	10.55	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2A4370

Deuteranopia (green-blind)

#1C3B6D

Tritanopia (blue-blind)

#004B51

Achromatopsia (no color)

#3F3F3F

Design tokens & code

CSS

--color: #15406e;
/* rgb */ color: rgb(21, 64, 110);
/* oklch */ color: oklch(36.8% 0.092 253.0);

Tailwind

colors: {
  custom: {
    50: '#617498',
    500: '#15406e',
    950: '#000000',
  },
}

SCSS

$custom: #15406e;
$custom-light: #617498;
$custom-dark: #000000;

JSON

{
  "hex": "#15406e",
  "rgb": {
    "r": 21,
    "g": 64,
    "b": 110
  },
  "hsl": {
    "h": 211.011,
    "s": 67.939,
    "l": 25.686
  },
  "oklch": {
    "l": 0.3677,
    "c": 0.09217,
    "h": 253
  },
  "luminance": 0.04952
}

Semantic roles & 50–950 ramp

primary

#15406E

secondary

#A4713A

accent

#973DEB

background

#F6F7F9

surface

#EBEDF2

border

#C6C8CC

text

#06080D

muted

#7A7B7E

Preview Lab

Preview with #15406E

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

Preview Lab → · Contrast checker → · Palette generator →