#17152E#17152E

#17152E is a very dark, muted blue. Relative luminance 0.009; OKLCH L 21.3% C 0.048 H 285.2°. Best body text is #FFFFFF at 17.75:1 contrast (WCAG AA passes).

Color values

HEX	#17152E
RGB	rgb(23, 21, 46)
HSL	hsl(245, 37%, 13%)
HSV	hsv(245, 54%, 18%)
CMYK	cmyk(50%, 54.3%, 0%, 82%)
CIE-LAB	lab(8.27, 8.99, -16.50)
CIE-LCH	lch(8.27, 18.79, 298.58°)
OKLab	oklab(21.28% 0.0126 -0.0466)
OKLCH	oklch(21.28% 0.048 285.2)
XYZ	xyz(1.1145, 0.9157, 2.7023)
Luminance	0.0092 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Midnight Blue (survey)

#020035

ΔE00 8.34

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#17152E #2C2E15

analogous

#151F2E #17152E #23152E

triadic

#17152E #2E1715 #152E17

tetradic

#17152E #2E151F #2C2E15 #152E23

square

#17152E #2E151F #2C2E15 #152E23

split-complementary

#17152E #2E2315 #1F2E15

monochromatic

#0B0A15 #0B0A15 #17152E #2C2858 #413B82

Accessibility & contrast

On white

17.75

#17152E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.18

#17152E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #17152E

17.75:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##17152E	#FFFFFF	#000000	##FFFFFF
##17152E	1.00	17.75	1.18	17.75
#FFFFFF	17.75	1.00	21.00	1.00
#000000	1.18	21.00	1.00	21.00
##FFFFFF	17.75	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0C192F

Deuteranopia (green-blind)

#0B172D

Tritanopia (blue-blind)

#101A1F

Achromatopsia (no color)

#181818

Design tokens & code

CSS

--color: #17152e;
/* rgb */ color: rgb(23, 21, 46);
/* oklch */ color: oklch(21.3% 0.048 285.2);

Tailwind

colors: {
  custom: {
    50: '#555267',
    500: '#17152e',
    950: '#000000',
  },
}

SCSS

$custom: #17152e;
$custom-light: #555267;
$custom-dark: #000000;

JSON

{
  "hex": "#17152e",
  "rgb": {
    "r": 23,
    "g": 21,
    "b": 46
  },
  "hsl": {
    "h": 244.8,
    "s": 37.313,
    "l": 13.137
  },
  "oklch": {
    "l": 0.21275,
    "c": 0.04828,
    "h": 285.2
  },
  "luminance": 0.00916
}

Semantic roles & 50–950 ramp

primary

#17152E

secondary

#61643B

accent

#CD5BC4

background

#F5F4F6

surface

#E9E7EB

border

#C5C3C6

text

#030206

muted

#78787A

Preview Lab

Preview with #17152E

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

Preview Lab → · Contrast checker → · Palette generator →