#15386B#15386B

#15386B is a dark, moderate blue. Relative luminance 0.040; OKLCH L 34.6% C 0.098 H 258.2°. Best body text is #FFFFFF at 11.60:1 contrast (WCAG AA passes).

Color values

HEX	#15386B
RGB	rgb(21, 56, 107)
HSL	hsl(216, 67%, 25%)
HSV	hsv(216, 80%, 42%)
CMYK	cmyk(80.4%, 47.7%, 0%, 58%)
CIE-LAB	lab(23.83, 7.52, -33.36)
CIE-LCH	lch(23.83, 34.19, 282.70°)
OKLab	oklab(34.56% -0.02 -0.0956)
OKLCH	oklch(34.56% 0.098 258.2)
XYZ	xyz(4.3763, 4.0488, 14.4579)
Luminance	0.0405 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#15386B #6B4815

analogous

#15636B #15386B #1D156B

triadic

#15386B #6B1538 #386B15

tetradic

#15386B #6B1563 #6B4815 #156B1D

square

#15386B #6B1563 #6B4815 #156B1D

split-complementary

#15386B #6B1D15 #636B15

monochromatic

#050D1A #0B1D38 #15386B #1F539E #296ED1

Accessibility & contrast

On white

11.60

#15386B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.81

#15386B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #15386B

11.60:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##15386B	#FFFFFF	#000000	##FFFFFF
##15386B	1.00	11.60	1.81	11.60
#FFFFFF	11.60	1.00	21.00	1.00
#000000	1.81	21.00	1.00	21.00
##FFFFFF	11.60	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1E3D6D

Deuteranopia (green-blind)

#0B356A

Tritanopia (blue-blind)

#00444C

Achromatopsia (no color)

#393939

Design tokens & code

CSS

--color: #15386b;
/* rgb */ color: rgb(21, 56, 107);
/* oklch */ color: oklch(34.6% 0.098 258.2);

Tailwind

colors: {
  custom: {
    50: '#616e96',
    500: '#15386b',
    950: '#000000',
  },
}

SCSS

$custom: #15386b;
$custom-light: #616e96;
$custom-dark: #000000;

JSON

{
  "hex": "#15386b",
  "rgb": {
    "r": 21,
    "g": 56,
    "b": 107
  },
  "hsl": {
    "h": 215.581,
    "s": 67.188,
    "l": 25.098
  },
  "oklch": {
    "l": 0.34561,
    "c": 0.09771,
    "h": 258.2
  },
  "luminance": 0.04049
}

Semantic roles & 50–950 ramp

primary

#15386B

secondary

#A2783A

accent

#A43EEA

background

#F6F6F9

surface

#EBEBF2

border

#C6C6CC

text

#05070D

muted

#7A7A7E

Preview Lab

Preview with #15386B

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

Preview Lab → · Contrast checker → · Palette generator →