#15256A#15256A

#15256A is a dark, vivid blue. Relative luminance 0.025; OKLCH L 30.1% C 0.122 H 268.0°. Best body text is #FFFFFF at 13.96:1 contrast (WCAG AA passes).

Color values

HEX	#15256A
RGB	rgb(21, 37, 106)
HSL	hsl(229, 67%, 25%)
HSV	hsv(229, 80%, 42%)
CMYK	cmyk(80.2%, 65.1%, 0%, 58.4%)
CIE-LAB	lab(18.02, 20.83, -42.12)
CIE-LCH	lch(18.02, 46.99, 296.31°)
OKLab	oklab(30.13% -0.0042 -0.1218)
OKLCH	oklch(30.13% 0.122 268)
XYZ	xyz(3.5714, 2.5228, 13.9316)
Luminance	0.0252 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#15256A #6A5A15

analogous

#154F6A #15256A #30156A

triadic

#15256A #6A1525 #256A15

tetradic

#15256A #6A154F #6A5A15 #156A30

square

#15256A #6A154F #6A5A15 #156A30

split-complementary

#15256A #6A3015 #4F6A15

monochromatic

#05091A #0B1337 #15256A #1F379D #2949D0

Accessibility & contrast

On white

13.96

#15256A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.50

#15256A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #15256A

13.96:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##15256A	#FFFFFF	#000000	##FFFFFF
##15256A	1.00	13.96	1.50	13.96
#FFFFFF	13.96	1.00	21.00	1.00
#000000	1.50	21.00	1.00	21.00
##FFFFFF	13.96	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00306C

Deuteranopia (green-blind)

#002869

Tritanopia (blue-blind)

#003743

Achromatopsia (no color)

#2C2C2C

Design tokens & code

CSS

--color: #15256a;
/* rgb */ color: rgb(21, 37, 106);
/* oklch */ color: oklch(30.1% 0.122 268.0);

Tailwind

colors: {
  custom: {
    50: '#625f95',
    500: '#15256a',
    950: '#000000',
  },
}

SCSS

$custom: #15256a;
$custom-light: #625f95;
$custom-dark: #000000;

JSON

{
  "hex": "#15256a",
  "rgb": {
    "r": 21,
    "g": 37,
    "b": 106
  },
  "hsl": {
    "h": 228.706,
    "s": 66.929,
    "l": 24.902
  },
  "oklch": {
    "l": 0.30133,
    "c": 0.12183,
    "h": 268
  },
  "luminance": 0.02523
}

Semantic roles & 50–950 ramp

primary

#15256A

secondary

#A18D3A

accent

#C93EEA

background

#F6F5F9

surface

#EBE9F2

border

#C6C5CC

text

#06040D

muted

#7A797E

Preview Lab

Preview with #15256A

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

Preview Lab → · Contrast checker → · Palette generator →