#15406B#15406B

#15406B is a dark, moderate cyan. Relative luminance 0.049; OKLCH L 36.6% C 0.088 H 251.6°. Best body text is #FFFFFF at 10.62:1 contrast (WCAG AA passes).

Color values

HEX	#15406B
RGB	rgb(21, 64, 107)
HSL	hsl(210, 67%, 25%)
HSV	hsv(210, 80%, 42%)
CMYK	cmyk(80.4%, 40.2%, 0%, 58%)
CIE-LAB	lab(26.41, 1.95, -29.24)
CIE-LCH	lch(26.41, 29.30, 273.82°)
OKLab	oklab(36.57% -0.0278 -0.0834)
OKLCH	oklch(36.57% 0.088 251.6)
XYZ	xyz(4.7955, 4.8872, 14.5977)
Luminance	0.0489 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#15406B #6B4015

analogous

#156B6B #15406B #15156B

triadic

#15406B #6B1540 #406B15

tetradic

#15406B #6B156B #6B4015 #156B15

square

#15406B #6B156B #6B4015 #156B15

split-complementary

#15406B #6B1515 #6B6B15

monochromatic

#050F1A #0B2138 #15406B #1F5F9E #297DD1

Accessibility & contrast

On white

10.62

#15406B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.98

#15406B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #15406B

10.62:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##15406B	#FFFFFF	#000000	##FFFFFF
##15406B	1.00	10.62	1.98	10.62
#FFFFFF	10.62	1.00	21.00	1.00
#000000	1.98	21.00	1.00	21.00
##FFFFFF	10.62	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2C436D

Deuteranopia (green-blind)

#1F3B6A

Tritanopia (blue-blind)

#004A50

Achromatopsia (no color)

#3E3E3E

Design tokens & code

CSS

--color: #15406b;
/* rgb */ color: rgb(21, 64, 107);
/* oklch */ color: oklch(36.6% 0.088 251.6);

Tailwind

colors: {
  custom: {
    50: '#607495',
    500: '#15406b',
    950: '#000000',
  },
}

SCSS

$custom: #15406b;
$custom-light: #607495;
$custom-dark: #000000;

JSON

{
  "hex": "#15406b",
  "rgb": {
    "r": 21,
    "g": 64,
    "b": 107
  },
  "hsl": {
    "h": 210,
    "s": 67.188,
    "l": 25.098
  },
  "oklch": {
    "l": 0.36566,
    "c": 0.08788,
    "h": 251.6
  },
  "luminance": 0.04888
}

Semantic roles & 50–950 ramp

primary

#15406B

secondary

#A26E3A

accent

#943EEA

background

#F6F7F9

surface

#EBEDF2

border

#C6C8CC

text

#05080D

muted

#7A7B7E

Preview Lab

Preview with #15406B

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

Preview Lab → · Contrast checker → · Palette generator →