#15396B#15396B

#15396B is a dark, moderate cyan. Relative luminance 0.041; OKLCH L 34.8% C 0.096 H 257.4°. Best body text is #FFFFFF at 11.48:1 contrast (WCAG AA passes).

Color values

HEX	#15396B
RGB	rgb(21, 57, 107)
HSL	hsl(215, 67%, 25%)
HSV	hsv(215, 80%, 42%)
CMYK	cmyk(80.4%, 46.7%, 0%, 58%)
CIE-LAB	lab(24.15, 6.81, -32.85)
CIE-LCH	lch(24.15, 33.55, 281.72°)
OKLab	oklab(34.81% -0.021 -0.0941)
OKLCH	oklch(34.81% 0.096 257.4)
XYZ	xyz(4.4253, 4.1467, 14.4742)
Luminance	0.0415 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#15396B #6B4715

analogous

#15646B #15396B #1C156B

triadic

#15396B #6B1539 #396B15

tetradic

#15396B #6B1564 #6B4715 #156B1C

square

#15396B #6B1564 #6B4715 #156B1C

split-complementary

#15396B #6B1C15 #646B15

monochromatic

#050E1A #0B1E38 #15396B #1F549E #2970D1

Accessibility & contrast

On white

11.48

#15396B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.83

#15396B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #15396B

11.48:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##15396B	#FFFFFF	#000000	##FFFFFF
##15396B	1.00	11.48	1.83	11.48
#FFFFFF	11.48	1.00	21.00	1.00
#000000	1.83	21.00	1.00	21.00
##FFFFFF	11.48	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#203E6D

Deuteranopia (green-blind)

#0E366A

Tritanopia (blue-blind)

#00454C

Achromatopsia (no color)

#393939

Design tokens & code

CSS

--color: #15396b;
/* rgb */ color: rgb(21, 57, 107);
/* oklch */ color: oklch(34.8% 0.096 257.4);

Tailwind

colors: {
  custom: {
    50: '#616e96',
    500: '#15396b',
    950: '#000000',
  },
}

SCSS

$custom: #15396b;
$custom-light: #616e96;
$custom-dark: #000000;

JSON

{
  "hex": "#15396b",
  "rgb": {
    "r": 21,
    "g": 57,
    "b": 107
  },
  "hsl": {
    "h": 214.884,
    "s": 67.188,
    "l": 25.098
  },
  "oklch": {
    "l": 0.34807,
    "c": 0.09642,
    "h": 257.4
  },
  "luminance": 0.04147
}

Semantic roles & 50–950 ramp

primary

#15396B

secondary

#A2763A

accent

#A23EEA

background

#F6F6F9

surface

#EBEBF2

border

#C6C6CC

text

#05070D

muted

#7A7A7E

Preview Lab

Preview with #15396B

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

Preview Lab → · Contrast checker → · Palette generator →