#15256E#15256E

#15256E is a dark, vivid blue. Relative luminance 0.026; OKLCH L 30.5% C 0.128 H 268.1°. Best body text is #FFFFFF at 13.80:1 contrast (WCAG AA passes).

Color values

HEX	#15256E
RGB	rgb(21, 37, 110)
HSL	hsl(229, 68%, 26%)
HSV	hsv(229, 81%, 43%)
CMYK	cmyk(80.9%, 66.4%, 0%, 56.9%)
CIE-LAB	lab(18.40, 22.46, -44.10)
CIE-LCH	lch(18.40, 49.49, 296.99°)
OKLab	oklab(30.53% -0.0043 -0.1276)
OKLCH	oklch(30.53% 0.128 268.1)
XYZ	xyz(3.7843, 2.6079, 15.0528)
Luminance	0.0261 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#15256E #6E5E15

analogous

#15516E #15256E #31156E

triadic

#15256E #6E1525 #256E15

tetradic

#15256E #6E1551 #6E5E15 #156E31

square

#15256E #6E1551 #6E5E15 #156E31

split-complementary

#15256E #6E3115 #516E15

monochromatic

#05091A #0B143B #15256E #1F36A1 #2948D5

Accessibility & contrast

On white

13.80

#15256E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.52

#15256E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #15256E

13.80:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##15256E	#FFFFFF	#000000	##FFFFFF
##15256E	1.00	13.80	1.52	13.80
#FFFFFF	13.80	1.00	21.00	1.00
#000000	1.52	21.00	1.00	21.00
##FFFFFF	13.80	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003170

Deuteranopia (green-blind)

#00296D

Tritanopia (blue-blind)

#003845

Achromatopsia (no color)

#2D2D2D

Design tokens & code

CSS

--color: #15256e;
/* rgb */ color: rgb(21, 37, 110);
/* oklch */ color: oklch(30.5% 0.128 268.1);

Tailwind

colors: {
  custom: {
    50: '#635f98',
    500: '#15256e',
    950: '#000000',
  },
}

SCSS

$custom: #15256e;
$custom-light: #635f98;
$custom-dark: #000000;

JSON

{
  "hex": "#15256e",
  "rgb": {
    "r": 21,
    "g": 37,
    "b": 110
  },
  "hsl": {
    "h": 229.213,
    "s": 67.939,
    "l": 25.686
  },
  "oklch": {
    "l": 0.30529,
    "c": 0.12763,
    "h": 268.1
  },
  "luminance": 0.02608
}

Semantic roles & 50–950 ramp

primary

#15256E

secondary

#A4913A

accent

#CC3DEB

background

#F6F5F9

surface

#EBE9F2

border

#C6C5CC

text

#06040E

muted

#7A797E

Preview Lab

Preview with #15256E

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

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