#15356C#15356C

#15356C is a dark, moderate blue. Relative luminance 0.038; OKLCH L 33.9% C 0.103 H 260.5°. Best body text is #FFFFFF at 11.95:1 contrast (WCAG AA passes).

Color values

HEX	#15356C
RGB	rgb(21, 53, 108)
HSL	hsl(218, 67%, 25%)
HSV	hsv(218, 81%, 42%)
CMYK	cmyk(80.6%, 50.9%, 0%, 57.6%)
CIE-LAB	lab(22.96, 10.08, -35.41)
CIE-LCH	lch(22.96, 36.81, 285.89°)
OKLab	oklab(33.91% -0.0171 -0.1017)
OKLCH	oklch(33.91% 0.103 260.5)
XYZ	xyz(4.2882, 3.7879, 14.6896)
Luminance	0.0379 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#15356C #6C4C15

analogous

#15606C #15356C #20156C

triadic

#15356C #6C1535 #356C15

tetradic

#15356C #6C1560 #6C4C15 #156C20

square

#15356C #6C1560 #6C4C15 #156C20

split-complementary

#15356C #6C2015 #606C15

monochromatic

#050D1A #0B1C39 #15356C #1F4E9F #2967D2

Accessibility & contrast

On white

11.95

#15356C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.76

#15356C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #15356C

11.95:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##15356C	#FFFFFF	#000000	##FFFFFF
##15356C	1.00	11.95	1.76	11.95
#FFFFFF	11.95	1.00	21.00	1.00
#000000	1.76	21.00	1.00	21.00
##FFFFFF	11.95	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#163B6E

Deuteranopia (green-blind)

#00336B

Tritanopia (blue-blind)

#00424B

Achromatopsia (no color)

#373737

Design tokens & code

CSS

--color: #15356c;
/* rgb */ color: rgb(21, 53, 108);
/* oklch */ color: oklch(33.9% 0.103 260.5);

Tailwind

colors: {
  custom: {
    50: '#616b96',
    500: '#15356c',
    950: '#000000',
  },
}

SCSS

$custom: #15356c;
$custom-light: #616b96;
$custom-dark: #000000;

JSON

{
  "hex": "#15356c",
  "rgb": {
    "r": 21,
    "g": 53,
    "b": 108
  },
  "hsl": {
    "h": 217.931,
    "s": 67.442,
    "l": 25.294
  },
  "oklch": {
    "l": 0.3391,
    "c": 0.10316,
    "h": 260.5
  },
  "luminance": 0.03788
}

Semantic roles & 50–950 ramp

primary

#15356C

secondary

#A37C3A

accent

#AB3DEA

background

#F6F6F9

surface

#EBEBF2

border

#C6C6CC

text

#06060D

muted

#7A7A7E

Preview Lab

Preview with #15356C

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

Preview Lab → · Contrast checker → · Palette generator →