#15286B#15286B

#15286B is a dark, moderate blue. Relative luminance 0.027; OKLCH L 30.9% C 0.119 H 266.9°. Best body text is #FFFFFF at 13.57:1 contrast (WCAG AA passes).

Color values

HEX	#15286B
RGB	rgb(21, 40, 107)
HSL	hsl(227, 67%, 25%)
HSV	hsv(227, 80%, 42%)
CMYK	cmyk(80.4%, 62.6%, 0%, 58%)
CIE-LAB	lab(18.96, 19.07, -41.24)
CIE-LCH	lch(18.96, 45.43, 294.82°)
OKLab	oklab(30.86% -0.0064 -0.1191)
OKLCH	oklch(30.86% 0.119 266.9)
XYZ	xyz(3.7210, 2.7381, 14.2395)
Luminance	0.0274 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#15286B #6B5815

analogous

#15536B #15286B #2D156B

triadic

#15286B #6B1528 #286B15

tetradic

#15286B #6B1553 #6B5815 #156B2D

square

#15286B #6B1553 #6B5815 #156B2D

split-complementary

#15286B #6B2D15 #536B15

monochromatic

#050A1A #0B1538 #15286B #1F3B9E #294ED1

Accessibility & contrast

On white

13.57

#15286B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.55

#15286B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #15286B

13.57:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##15286B	#FFFFFF	#000000	##FFFFFF
##15286B	1.00	13.57	1.55	13.57
#FFFFFF	13.57	1.00	21.00	1.00
#000000	1.55	21.00	1.00	21.00
##FFFFFF	13.57	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00326D

Deuteranopia (green-blind)

#002A6A

Tritanopia (blue-blind)

#003945

Achromatopsia (no color)

#2E2E2E

Design tokens & code

CSS

--color: #15286b;
/* rgb */ color: rgb(21, 40, 107);
/* oklch */ color: oklch(30.9% 0.119 266.9);

Tailwind

colors: {
  custom: {
    50: '#626196',
    500: '#15286b',
    950: '#000000',
  },
}

SCSS

$custom: #15286b;
$custom-light: #626196;
$custom-dark: #000000;

JSON

{
  "hex": "#15286b",
  "rgb": {
    "r": 21,
    "g": 40,
    "b": 107
  },
  "hsl": {
    "h": 226.744,
    "s": 67.188,
    "l": 25.098
  },
  "oklch": {
    "l": 0.30861,
    "c": 0.11928,
    "h": 266.9
  },
  "luminance": 0.02739
}

Semantic roles & 50–950 ramp

primary

#15286B

secondary

#A28B3A

accent

#C43EEA

background

#F6F5F9

surface

#EBE9F2

border

#C6C5CC

text

#06050D

muted

#7A797E

Preview Lab

Preview with #15286B

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

Preview Lab → · Contrast checker → · Palette generator →