#17235B#17235B

#17235B is a dark, moderate blue. Relative luminance 0.021; OKLCH L 28.4% C 0.101 H 269.6°. Best body text is #FFFFFF at 14.71:1 contrast (WCAG AA passes).

Color values

HEX	#17235B
RGB	rgb(23, 35, 91)
HSL	hsl(229, 60%, 22%)
HSV	hsv(229, 75%, 36%)
CMYK	cmyk(74.7%, 61.5%, 0%, 64.3%)
CIE-LAB	lab(16.20, 16.39, -35.19)
CIE-LCH	lch(16.20, 38.82, 294.98°)
OKLab	oklab(28.39% -0.0007 -0.1014)
OKLCH	oklch(28.39% 0.101 269.6)
XYZ	xyz(2.8421, 2.1393, 10.1586)
Luminance	0.0214 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#17235B #5B4F17

analogous

#17455B #17235B #2D175B

triadic

#17235B #5B1723 #235B17

tetradic

#17235B #5B1745 #5B4F17 #175B2D

square

#17235B #5B1745 #5B4F17 #175B2D

split-complementary

#17235B #5B2D17 #455B17

monochromatic

#060918 #0B102A #17235B #23368C #3049BD

Accessibility & contrast

On white

14.71

#17235B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.43

#17235B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #17235B

14.71:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##17235B	#FFFFFF	#000000	##FFFFFF
##17235B	1.00	14.71	1.43	14.71
#FFFFFF	14.71	1.00	21.00	1.00
#000000	1.43	21.00	1.00	21.00
##FFFFFF	14.71	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002B5D

Deuteranopia (green-blind)

#00255A

Tritanopia (blue-blind)

#00313B

Achromatopsia (no color)

#282828

Design tokens & code

CSS

--color: #17235b;
/* rgb */ color: rgb(23, 35, 91);
/* oklch */ color: oklch(28.4% 0.101 269.6);

Tailwind

colors: {
  custom: {
    50: '#5e5d8a',
    500: '#17235b',
    950: '#000000',
  },
}

SCSS

$custom: #17235b;
$custom-light: #5e5d8a;
$custom-dark: #000000;

JSON

{
  "hex": "#17235b",
  "rgb": {
    "r": 23,
    "g": 35,
    "b": 91
  },
  "hsl": {
    "h": 229.412,
    "s": 59.649,
    "l": 22.353
  },
  "oklch": {
    "l": 0.28386,
    "c": 0.10138,
    "h": 269.6
  },
  "luminance": 0.0214
}

Semantic roles & 50–950 ramp

primary

#17235B

secondary

#92833C

accent

#C745E3

background

#F5F5F8

surface

#EAE9F0

border

#C6C5CB

text

#05040C

muted

#79797D

Preview Lab

Preview with #17235B

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

Preview Lab → · Contrast checker → · Palette generator →