#15356D#15356D

#15356D is a dark, moderate blue. Relative luminance 0.038; OKLCH L 34.0% C 0.105 H 260.7°. Best body text is #FFFFFF at 11.92:1 contrast (WCAG AA passes).

Color values

HEX	#15356D
RGB	rgb(21, 53, 109)
HSL	hsl(218, 68%, 25%)
HSV	hsv(218, 81%, 43%)
CMYK	cmyk(80.7%, 51.4%, 0%, 57.3%)
CIE-LAB	lab(23.03, 10.50, -35.93)
CIE-LCH	lch(23.03, 37.44, 286.29°)
OKLab	oklab(33.99% -0.0169 -0.1033)
OKLCH	oklch(33.99% 0.105 260.7)
XYZ	xyz(4.3417, 3.8093, 14.9715)
Luminance	0.0381 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#15356D #6D4D15

analogous

#15616D #15356D #21156D

triadic

#15356D #6D1535 #356D15

tetradic

#15356D #6D1561 #6D4D15 #156D21

square

#15356D #6D1561 #6D4D15 #156D21

split-complementary

#15356D #6D2115 #616D15

monochromatic

#050C1A #0B1C3A #15356D #1F4EA0 #2967D4

Accessibility & contrast

On white

11.92

#15356D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.76

#15356D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #15356D

11.92:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##15356D	#FFFFFF	#000000	##FFFFFF
##15356D	1.00	11.92	1.76	11.92
#FFFFFF	11.92	1.00	21.00	1.00
#000000	1.76	21.00	1.00	21.00
##FFFFFF	11.92	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#153B6F

Deuteranopia (green-blind)

#00336C

Tritanopia (blue-blind)

#00424B

Achromatopsia (no color)

#373737

Design tokens & code

CSS

--color: #15356d;
/* rgb */ color: rgb(21, 53, 109);
/* oklch */ color: oklch(34.0% 0.105 260.7);

Tailwind

colors: {
  custom: {
    50: '#616b97',
    500: '#15356d',
    950: '#000000',
  },
}

SCSS

$custom: #15356d;
$custom-light: #616b97;
$custom-dark: #000000;

JSON

{
  "hex": "#15356d",
  "rgb": {
    "r": 21,
    "g": 53,
    "b": 109
  },
  "hsl": {
    "h": 218.182,
    "s": 67.692,
    "l": 25.49
  },
  "oklch": {
    "l": 0.3399,
    "c": 0.10465,
    "h": 260.7
  },
  "luminance": 0.0381
}

Semantic roles & 50–950 ramp

primary

#15356D

secondary

#A37D3A

accent

#AC3DEB

background

#F6F6F9

surface

#EBEBF2

border

#C6C6CC

text

#06060D

muted

#7A7A7E

Preview Lab

Preview with #15356D

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

Preview Lab → · Contrast checker → · Palette generator →