#17236B#17236B

#17236B is a dark, vivid blue. Relative luminance 0.024; OKLCH L 29.9% C 0.125 H 269.6°. Best body text is #FFFFFF at 14.10:1 contrast (WCAG AA passes).

Color values

HEX	#17236B
RGB	rgb(23, 35, 107)
HSL	hsl(231, 65%, 25%)
HSV	hsv(231, 79%, 42%)
CMYK	cmyk(78.5%, 67.3%, 0%, 58%)
CIE-LAB	lab(17.67, 22.90, -43.35)
CIE-LCH	lch(17.67, 49.02, 297.85°)
OKLab	oklab(29.93% -0.0008 -0.1253)
OKLCH	oklch(29.93% 0.125 269.6)
XYZ	xyz(3.6073, 2.4454, 14.1890)
Luminance	0.0245 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#17236B #6B5F17

analogous

#174D6B #17236B #35176B

triadic

#17236B #6B1723 #236B17

tetradic

#17236B #6B174D #6B5F17 #176B35

square

#17236B #6B174D #6B5F17 #176B35

split-complementary

#17236B #6B3517 #4D6B17

monochromatic

#050819 #0C1339 #17236B #22339D #2D44D0

Accessibility & contrast

On white

14.10

#17236B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.49

#17236B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #17236B

14.10:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##17236B	#FFFFFF	#000000	##FFFFFF
##17236B	1.00	14.10	1.49	14.10
#FFFFFF	14.10	1.00	21.00	1.00
#000000	1.49	21.00	1.00	21.00
##FFFFFF	14.10	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002F6D

Deuteranopia (green-blind)

#00276A

Tritanopia (blue-blind)

#003643

Achromatopsia (no color)

#2B2B2B

Design tokens & code

CSS

--color: #17236b;
/* rgb */ color: rgb(23, 35, 107);
/* oklch */ color: oklch(29.9% 0.125 269.6);

Tailwind

colors: {
  custom: {
    50: '#635d96',
    500: '#17236b',
    950: '#000000',
  },
}

SCSS

$custom: #17236b;
$custom-light: #635d96;
$custom-dark: #000000;

JSON

{
  "hex": "#17236b",
  "rgb": {
    "r": 23,
    "g": 35,
    "b": 107
  },
  "hsl": {
    "h": 231.429,
    "s": 64.615,
    "l": 25.49
  },
  "oklch": {
    "l": 0.29931,
    "c": 0.12532,
    "h": 269.6
  },
  "luminance": 0.02446
}

Semantic roles & 50–950 ramp

primary

#17236B

secondary

#A1933D

accent

#D040E8

background

#F6F5F9

surface

#EBE9F2

border

#C6C5CC

text

#06040D

muted

#7A797E

Preview Lab

Preview with #17236B

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

Preview Lab → · Contrast checker → · Palette generator →