#170E5E#170E5E

#170E5E is a very dark, vivid blue. Relative luminance 0.013; OKLCH L 24.9% C 0.132 H 276.1°. Best body text is #FFFFFF at 16.66:1 contrast (WCAG AA passes).

Color values

HEX	#170E5E
RGB	rgb(23, 14, 94)
HSL	hsl(247, 74%, 21%)
HSV	hsv(247, 85%, 37%)
CMYK	cmyk(75.5%, 85.1%, 0%, 63.1%)
CIE-LAB	lab(11.30, 31.60, -45.23)
CIE-LCH	lch(11.30, 55.18, 304.94°)
OKLab	oklab(24.94% 0.0139 -0.1308)
OKLCH	oklch(24.94% 0.132 276.1)
XYZ	xyz(2.5301, 1.3041, 10.7059)
Luminance	0.0130 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#170E5E #555E0E

analogous

#0E2D5E #170E5E #3F0E5E

triadic

#170E5E #5E170E #0E5E17

tetradic

#170E5E #5E0E2D #555E0E #0E5E3F

square

#170E5E #5E0E2D #555E0E #0E5E3F

split-complementary

#170E5E #5E3F0E #2D5E0E

monochromatic

#07041B #0A0629 #170E5E #241693 #311EC9

Accessibility & contrast

On white

16.66

#170E5E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.26

#170E5E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #170E5E

16.66:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##170E5E	#FFFFFF	#000000	##FFFFFF
##170E5E	1.00	16.66	1.26	16.66
#FFFFFF	16.66	1.00	21.00	1.00
#000000	1.26	21.00	1.00	21.00
##FFFFFF	16.66	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002160

Deuteranopia (green-blind)

#001B5D

Tritanopia (blue-blind)

#002736

Achromatopsia (no color)

#1E1E1E

Design tokens & code

CSS

--color: #170e5e;
/* rgb */ color: rgb(23, 14, 94);
/* oklch */ color: oklch(24.9% 0.132 276.1);

Tailwind

colors: {
  custom: {
    50: '#614f8d',
    500: '#170e5e',
    950: '#000000',
  },
}

SCSS

$custom: #170e5e;
$custom-light: #614f8d;
$custom-dark: #000000;

JSON

{
  "hex": "#170e5e",
  "rgb": {
    "r": 23,
    "g": 14,
    "b": 94
  },
  "hsl": {
    "h": 246.75,
    "s": 74.074,
    "l": 21.176
  },
  "oklch": {
    "l": 0.24937,
    "c": 0.1315,
    "h": 276.1
  },
  "luminance": 0.01304
}

Semantic roles & 50–950 ramp

primary

#170E5E

secondary

#8C9830

accent

#F137DC

background

#F6F4F8

surface

#EBE7F0

border

#C6C3CB

text

#06020C

muted

#7A787D

Preview Lab

Preview with #170E5E

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

Preview Lab → · Contrast checker → · Palette generator →