#171041#171041

#171041 is a very dark, moderate blue. Relative luminance 0.009; OKLCH L 21.9% C 0.088 H 282.8°. Best body text is #FFFFFF at 17.69:1 contrast (WCAG AA passes).

Color values

HEX	#171041
RGB	rgb(23, 16, 65)
HSL	hsl(249, 60%, 16%)
HSV	hsv(249, 75%, 25%)
CMYK	cmyk(64.6%, 75.4%, 0%, 74.5%)
CIE-LAB	lab(8.43, 19.90, -29.98)
CIE-LCH	lch(8.43, 35.98, 303.57°)
OKLab	oklab(21.91% 0.0196 -0.0862)
OKLCH	oklch(21.91% 0.088 282.8)
XYZ	xyz(1.4925, 0.9343, 5.1017)
Luminance	0.0093 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Navy Blue (survey)

#001146

ΔE00 3.94

Midnight Blue (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#171041 #3A4110

analogous

#102141 #171041 #2F1041

triadic

#171041 #411710 #104117

tetradic

#171041 #411021 #3A4110 #10412F

square

#171041 #411021 #3A4110 #10412F

split-complementary

#171041 #412F10 #214110

monochromatic

#090619 #090619 #171041 #281C72 #3A28A3

Accessibility & contrast

On white

17.69

#171041 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.19

#171041 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #171041

17.69:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##171041	#FFFFFF	#000000	##FFFFFF
##171041	1.00	17.69	1.19	17.69
#FFFFFF	17.69	1.00	21.00	1.00
#000000	1.19	21.00	1.00	21.00
##FFFFFF	17.69	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001A43

Deuteranopia (green-blind)

#001740

Tritanopia (blue-blind)

#031D26

Achromatopsia (no color)

#181818

Design tokens & code

CSS

--color: #171041;
/* rgb */ color: rgb(23, 16, 65);
/* oklch */ color: oklch(21.9% 0.088 282.8);

Tailwind

colors: {
  custom: {
    50: '#5a4e76',
    500: '#171041',
    950: '#000000',
  },
}

SCSS

$custom: #171041;
$custom-light: #5a4e76;
$custom-dark: #000000;

JSON

{
  "hex": "#171041",
  "rgb": {
    "r": 23,
    "g": 16,
    "b": 65
  },
  "hsl": {
    "h": 248.571,
    "s": 60.494,
    "l": 15.882
  },
  "oklch": {
    "l": 0.21909,
    "c": 0.08843,
    "h": 282.8
  },
  "luminance": 0.00934
}

Semantic roles & 50–950 ramp

primary

#171041

secondary

#717B32

accent

#E444CD

background

#F5F4F7

surface

#E9E7ED

border

#C5C3C8

text

#040108

muted

#79777B

Preview Lab

Preview with #171041

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

Preview Lab → · Contrast checker → · Palette generator →