#15456B#15456B

#15456B is a dark, moderate cyan. Relative luminance 0.055; OKLCH L 37.9% C 0.083 H 246.5°. Best body text is #FFFFFF at 10.02:1 contrast (WCAG AA passes).

Color values

HEX	#15456B
RGB	rgb(21, 69, 107)
HSL	hsl(207, 67%, 25%)
HSV	hsv(207, 80%, 42%)
CMYK	cmyk(80.4%, 35.5%, 0%, 58%)
CIE-LAB	lab(28.05, -1.41, -26.64)
CIE-LCH	lch(28.05, 26.68, 266.97°)
OKLab	oklab(37.85% -0.0329 -0.0757)
OKLCH	oklch(37.85% 0.083 246.5)
XYZ	xyz(5.0902, 5.4766, 14.6959)
Luminance	0.0548 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#15456B #6B3B15

analogous

#156B66 #15456B #151A6B

triadic

#15456B #6B1545 #456B15

tetradic

#15456B #66156B #6B3B15 #1A6B15

square

#15456B #66156B #6B3B15 #1A6B15

split-complementary

#15456B #6B151A #6B6615

monochromatic

#05101A #0B2438 #15456B #1F669E #2987D1

Accessibility & contrast

On white

10.02

#15456B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.10

#15456B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #15456B

10.02:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##15456B	#FFFFFF	#000000	##FFFFFF
##15456B	1.00	10.02	2.10	10.02
#FFFFFF	10.02	1.00	21.00	1.00
#000000	2.10	21.00	1.00	21.00
##FFFFFF	10.02	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#33476D

Deuteranopia (green-blind)

#273F6A

Tritanopia (blue-blind)

#004E53

Achromatopsia (no color)

#424242

Design tokens & code

CSS

--color: #15456b;
/* rgb */ color: rgb(21, 69, 107);
/* oklch */ color: oklch(37.9% 0.083 246.5);

Tailwind

colors: {
  custom: {
    50: '#617895',
    500: '#15456b',
    950: '#000000',
  },
}

SCSS

$custom: #15456b;
$custom-light: #617895;
$custom-dark: #000000;

JSON

{
  "hex": "#15456b",
  "rgb": {
    "r": 21,
    "g": 69,
    "b": 107
  },
  "hsl": {
    "h": 206.512,
    "s": 67.188,
    "l": 25.098
  },
  "oklch": {
    "l": 0.37854,
    "c": 0.08251,
    "h": 246.5
  },
  "luminance": 0.05477
}

Semantic roles & 50–950 ramp

primary

#15456B

secondary

#A2683A

accent

#8A3EEA

background

#F6F7F9

surface

#EBEDF1

border

#C6C8CB

text

#05080D

muted

#7A7B7E

Preview Lab

Preview with #15456B

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

Preview Lab → · Contrast checker → · Palette generator →