#15256C#15256C

#15256C is a dark, vivid blue. Relative luminance 0.026; OKLCH L 30.3% C 0.125 H 268.0°. Best body text is #FFFFFF at 13.88:1 contrast (WCAG AA passes).

Color values

HEX	#15256C
RGB	rgb(21, 37, 108)
HSL	hsl(229, 67%, 25%)
HSV	hsv(229, 81%, 42%)
CMYK	cmyk(80.6%, 65.7%, 0%, 57.6%)
CIE-LAB	lab(18.21, 21.64, -43.12)
CIE-LCH	lch(18.21, 48.25, 296.66°)
OKLab	oklab(30.33% -0.0043 -0.1247)
OKLCH	oklch(30.33% 0.125 268)
XYZ	xyz(3.6767, 2.5649, 14.4857)
Luminance	0.0256 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#15256C #6C5C15

analogous

#15506C #15256C #31156C

triadic

#15256C #6C1525 #256C15

tetradic

#15256C #6C1550 #6C5C15 #156C31

square

#15256C #6C1550 #6C5C15 #156C31

split-complementary

#15256C #6C3115 #506C15

monochromatic

#05091A #0B1339 #15256C #1F379F #2948D2

Accessibility & contrast

On white

13.88

#15256C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.51

#15256C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #15256C

13.88:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##15256C	#FFFFFF	#000000	##FFFFFF
##15256C	1.00	13.88	1.51	13.88
#FFFFFF	13.88	1.00	21.00	1.00
#000000	1.51	21.00	1.00	21.00
##FFFFFF	13.88	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00316E

Deuteranopia (green-blind)

#00286B

Tritanopia (blue-blind)

#003744

Achromatopsia (no color)

#2C2C2C

Design tokens & code

CSS

--color: #15256c;
/* rgb */ color: rgb(21, 37, 108);
/* oklch */ color: oklch(30.3% 0.125 268.0);

Tailwind

colors: {
  custom: {
    50: '#625f97',
    500: '#15256c',
    950: '#000000',
  },
}

SCSS

$custom: #15256c;
$custom-light: #625f97;
$custom-dark: #000000;

JSON

{
  "hex": "#15256c",
  "rgb": {
    "r": 21,
    "g": 37,
    "b": 108
  },
  "hsl": {
    "h": 228.966,
    "s": 67.442,
    "l": 25.294
  },
  "oklch": {
    "l": 0.3033,
    "c": 0.12474,
    "h": 268
  },
  "luminance": 0.02565
}

Semantic roles & 50–950 ramp

primary

#15256C

secondary

#A38F3A

accent

#CB3DEA

background

#F6F5F9

surface

#EBE9F2

border

#C6C5CC

text

#06040D

muted

#7A797E

Preview Lab

Preview with #15256C

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

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