#171241#171241

#171241 is a very dark, moderate blue. Relative luminance 0.010; OKLCH L 22.3% C 0.085 H 281.7°. Best body text is #FFFFFF at 17.51:1 contrast (WCAG AA passes).

Color values

HEX	#171241
RGB	rgb(23, 18, 65)
HSL	hsl(246, 57%, 16%)
HSV	hsv(246, 72%, 25%)
CMYK	cmyk(64.6%, 72.3%, 0%, 74.5%)
CIE-LAB	lab(8.96, 18.48, -29.12)
CIE-LCH	lch(8.96, 34.48, 302.40°)
OKLab	oklab(22.29% 0.0174 -0.0837)
OKLCH	oklch(22.29% 0.085 281.7)
XYZ	xyz(1.5235, 0.9963, 5.1120)
Luminance	0.0100 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Navy Blue (survey)

#001146

ΔE00 3.81

Midnight Blue (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#171241 #3C4112

analogous

#122541 #171241 #2F1241

triadic

#171241 #411712 #124117

tetradic

#171241 #411225 #3C4112 #12412F

square

#171241 #411225 #3C4112 #12412F

split-complementary

#171241 #412F12 #254112

monochromatic

#080718 #080718 #171241 #281F71 #392DA1

Accessibility & contrast

On white

17.51

#171241 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.20

#171241 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #171241

17.51:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##171241	#FFFFFF	#000000	##FFFFFF
##171241	1.00	17.51	1.20	17.51
#FFFFFF	17.51	1.00	21.00	1.00
#000000	1.20	21.00	1.00	21.00
##FFFFFF	17.51	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001B42

Deuteranopia (green-blind)

#001840

Tritanopia (blue-blind)

#031E27

Achromatopsia (no color)

#191919

Design tokens & code

CSS

--color: #171241;
/* rgb */ color: rgb(23, 18, 65);
/* oklch */ color: oklch(22.3% 0.085 281.7);

Tailwind

colors: {
  custom: {
    50: '#595076',
    500: '#171241',
    950: '#000000',
  },
}

SCSS

$custom: #171241;
$custom-light: #595076;
$custom-dark: #000000;

JSON

{
  "hex": "#171241",
  "rgb": {
    "r": 23,
    "g": 18,
    "b": 65
  },
  "hsl": {
    "h": 246.383,
    "s": 56.627,
    "l": 16.275
  },
  "oklch": {
    "l": 0.22293,
    "c": 0.08549,
    "h": 281.7
  },
  "luminance": 0.00996
}

Semantic roles & 50–950 ramp

primary

#171241

secondary

#737A35

accent

#E048D0

background

#F5F4F7

surface

#E9E7ED

border

#C5C3C8

text

#040208

muted

#79787B

Preview Lab

Preview with #171241

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

Preview Lab → · Contrast checker → · Palette generator →