#170E5C#170E5C

#170E5C is a very dark, vivid blue. Relative luminance 0.013; OKLCH L 24.7% C 0.129 H 276.5°. Best body text is #FFFFFF at 16.75:1 contrast (WCAG AA passes).

Color values

HEX	#170E5C
RGB	rgb(23, 14, 92)
HSL	hsl(247, 74%, 21%)
HSV	hsv(247, 85%, 36%)
CMYK	cmyk(75%, 84.8%, 0%, 63.9%)
CIE-LAB	lab(11.05, 30.91, -44.30)
CIE-LCH	lch(11.05, 54.02, 304.91°)
OKLab	oklab(24.69% 0.0145 -0.128)
OKLCH	oklch(24.69% 0.129 276.5)
XYZ	xyz(2.4415, 1.2687, 10.2394)
Luminance	0.0127 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#170E5C #535C0E

analogous

#0E2C5C #170E5C #3E0E5C

triadic

#170E5C #5C170E #0E5C17

tetradic

#170E5C #5C0E2C #535C0E #0E5C3E

square

#170E5C #5C0E2C #535C0E #0E5C3E

split-complementary

#170E5C #5C3E0E #2C5C0E

monochromatic

#07041B #0A0627 #170E5C #241691 #321EC6

Accessibility & contrast

On white

16.75

#170E5C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.25

#170E5C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #170E5C

16.75:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##170E5C	#FFFFFF	#000000	##FFFFFF
##170E5C	1.00	16.75	1.25	16.75
#FFFFFF	16.75	1.00	21.00	1.00
#000000	1.25	21.00	1.00	21.00
##FFFFFF	16.75	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00215E

Deuteranopia (green-blind)

#001A5B

Tritanopia (blue-blind)

#002635

Achromatopsia (no color)

#1E1E1E

Design tokens & code

CSS

--color: #170e5c;
/* rgb */ color: rgb(23, 14, 92);
/* oklch */ color: oklch(24.7% 0.129 276.5);

Tailwind

colors: {
  custom: {
    50: '#614f8b',
    500: '#170e5c',
    950: '#000000',
  },
}

SCSS

$custom: #170e5c;
$custom-light: #614f8b;
$custom-dark: #000000;

JSON

{
  "hex": "#170e5c",
  "rgb": {
    "r": 23,
    "g": 14,
    "b": 92
  },
  "hsl": {
    "h": 246.923,
    "s": 73.585,
    "l": 20.784
  },
  "oklch": {
    "l": 0.2469,
    "c": 0.12887,
    "h": 276.5
  },
  "luminance": 0.01269
}

Semantic roles & 50–950 ramp

primary

#170E5C

secondary

#8A9630

accent

#F038DB

background

#F6F4F8

surface

#EBE7F0

border

#C6C3CB

text

#06020C

muted

#7A787D

Preview Lab

Preview with #170E5C

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

Preview Lab → · Contrast checker → · Palette generator →