#17256E#17256E

#17256E is a dark, vivid blue. Relative luminance 0.026; OKLCH L 30.6% C 0.127 H 268.9°. Best body text is #FFFFFF at 13.76:1 contrast (WCAG AA passes).

Color values

HEX	#17256E
RGB	rgb(23, 37, 110)
HSL	hsl(230, 65%, 26%)
HSV	hsv(230, 79%, 43%)
CMYK	cmyk(79.1%, 66.4%, 0%, 56.9%)
CIE-LAB	lab(18.50, 22.69, -43.94)
CIE-LCH	lch(18.50, 49.45, 297.31°)
OKLab	oklab(30.63% -0.0023 -0.127)
OKLCH	oklch(30.63% 0.127 268.9)
XYZ	xyz(3.8284, 2.6307, 15.0548)
Luminance	0.0263 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#17256E #6E6017

analogous

#17506E #17256E #34176E

triadic

#17256E #6E1725 #256E17

tetradic

#17256E #6E1750 #6E6017 #176E34

square

#17256E #6E1750 #6E6017 #176E34

split-complementary

#17256E #6E3417 #506E17

monochromatic

#050919 #0C143B #17256E #2236A1 #2C47D3

Accessibility & contrast

On white

13.76

#17256E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.53

#17256E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #17256E

13.76:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##17256E	#FFFFFF	#000000	##FFFFFF
##17256E	1.00	13.76	1.53	13.76
#FFFFFF	13.76	1.00	21.00	1.00
#000000	1.53	21.00	1.00	21.00
##FFFFFF	13.76	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: #17256e;
/* rgb */ color: rgb(23, 37, 110);
/* oklch */ color: oklch(30.6% 0.127 268.9);

Tailwind

colors: {
  custom: {
    50: '#635f98',
    500: '#17256e',
    950: '#000000',
  },
}

SCSS

$custom: #17256e;
$custom-light: #635f98;
$custom-dark: #000000;

JSON

{
  "hex": "#17256e",
  "rgb": {
    "r": 23,
    "g": 37,
    "b": 110
  },
  "hsl": {
    "h": 230.345,
    "s": 65.414,
    "l": 26.078
  },
  "oklch": {
    "l": 0.3063,
    "c": 0.12705,
    "h": 268.9
  },
  "luminance": 0.02631
}

Semantic roles & 50–950 ramp

primary

#17256E

secondary

#A4933D

accent

#CD3FE8

background

#F6F5F9

surface

#EBE9F2

border

#C6C5CC

text

#06040E

muted

#7A797E

Preview Lab

Preview with #17256E

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

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