#171071#171071

#171071 is a dark, vivid blue. Relative luminance 0.017; OKLCH L 27.6% C 0.154 H 272.9°. Best body text is #FFFFFF at 15.57:1 contrast (WCAG AA passes).

Color values

HEX	#171071
RGB	rgb(23, 16, 113)
HSL	hsl(244, 75%, 25%)
HSV	hsv(244, 86%, 44%)
CMYK	cmyk(79.6%, 85.8%, 0%, 55.7%)
CIE-LAB	lab(14.09, 36.96, -53.16)
CIE-LCH	lch(14.09, 64.75, 304.81°)
OKLab	oklab(27.57% 0.0077 -0.1538)
OKLCH	oklch(27.57% 0.154 272.9)
XYZ	xyz(3.5183, 1.7446, 15.7709)
Luminance	0.0175 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#171071 #6A7110

analogous

#103971 #171071 #471071

triadic

#171071 #711710 #107117

tetradic

#171071 #711039 #6A7110 #107147

square

#171071 #711039 #6A7110 #107147

split-complementary

#171071 #714710 #397110

monochromatic

#05041B #0C083B #171071 #2218A7 #2D1FDC

Accessibility & contrast

On white

15.57

#171071 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.35

#171071 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #171071

15.57:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##171071	#FFFFFF	#000000	##FFFFFF
##171071	1.00	15.57	1.35	15.57
#FFFFFF	15.57	1.00	21.00	1.00
#000000	1.35	21.00	1.00	21.00
##FFFFFF	15.57	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002874

Deuteranopia (green-blind)

#001F6F

Tritanopia (blue-blind)

#002F42

Achromatopsia (no color)

#242424

Design tokens & code

CSS

--color: #171071;
/* rgb */ color: rgb(23, 16, 113);
/* oklch */ color: oklch(27.6% 0.154 272.9);

Tailwind

colors: {
  custom: {
    50: '#66519b',
    500: '#171071',
    950: '#000000',
  },
}

SCSS

$custom: #171071;
$custom-light: #66519b;
$custom-dark: #000000;

JSON

{
  "hex": "#171071",
  "rgb": {
    "r": 23,
    "g": 16,
    "b": 113
  },
  "hsl": {
    "h": 244.33,
    "s": 75.194,
    "l": 25.294
  },
  "oklch": {
    "l": 0.2757,
    "c": 0.15398,
    "h": 272.9
  },
  "luminance": 0.01745
}

Semantic roles & 50–950 ramp

primary

#171071

secondary

#A0A934

accent

#F236E4

background

#F6F4F9

surface

#EBE7F2

border

#C6C3CC

text

#07020E

muted

#7A787E

Preview Lab

Preview with #171071

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

Preview Lab → · Contrast checker → · Palette generator →