#15256D#15256D

#15256D is a dark, vivid blue. Relative luminance 0.026; OKLCH L 30.4% C 0.126 H 268.0°. Best body text is #FFFFFF at 13.84:1 contrast (WCAG AA passes).

Color values

HEX	#15256D
RGB	rgb(21, 37, 109)
HSL	hsl(229, 68%, 25%)
HSV	hsv(229, 81%, 43%)
CMYK	cmyk(80.7%, 66.1%, 0%, 57.3%)
CIE-LAB	lab(18.30, 22.05, -43.61)
CIE-LCH	lch(18.30, 48.87, 296.82°)
OKLab	oklab(30.43% -0.0043 -0.1261)
OKLCH	oklch(30.43% 0.126 268)
XYZ	xyz(3.7302, 2.5863, 14.7676)
Luminance	0.0259 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#15256D #6D5D15

analogous

#15516D #15256D #31156D

triadic

#15256D #6D1525 #256D15

tetradic

#15256D #6D1551 #6D5D15 #156D31

square

#15256D #6D1551 #6D5D15 #156D31

split-complementary

#15256D #6D3115 #516D15

monochromatic

#05091A #0B143A #15256D #1F36A0 #2948D4

Accessibility & contrast

On white

13.84

#15256D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.52

#15256D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #15256D

13.84:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##15256D	#FFFFFF	#000000	##FFFFFF
##15256D	1.00	13.84	1.52	13.84
#FFFFFF	13.84	1.00	21.00	1.00
#000000	1.52	21.00	1.00	21.00
##FFFFFF	13.84	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00316F

Deuteranopia (green-blind)

#00296C

Tritanopia (blue-blind)

#003845

Achromatopsia (no color)

#2D2D2D

Design tokens & code

CSS

--color: #15256d;
/* rgb */ color: rgb(21, 37, 109);
/* oklch */ color: oklch(30.4% 0.126 268.0);

Tailwind

colors: {
  custom: {
    50: '#625f98',
    500: '#15256d',
    950: '#000000',
  },
}

SCSS

$custom: #15256d;
$custom-light: #625f98;
$custom-dark: #000000;

JSON

{
  "hex": "#15256d",
  "rgb": {
    "r": 21,
    "g": 37,
    "b": 109
  },
  "hsl": {
    "h": 229.091,
    "s": 67.692,
    "l": 25.49
  },
  "oklch": {
    "l": 0.30429,
    "c": 0.12619,
    "h": 268
  },
  "luminance": 0.02587
}

Semantic roles & 50–950 ramp

primary

#15256D

secondary

#A3903A

accent

#CB3DEB

background

#F6F5F9

surface

#EBE9F2

border

#C6C5CC

text

#06040E

muted

#7A797E

Preview Lab

Preview with #15256D

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

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