#17215D#17215D

#17215D is a dark, moderate blue. Relative luminance 0.021; OKLCH L 28.1% C 0.107 H 270.6°. Best body text is #FFFFFF at 14.87:1 contrast (WCAG AA passes).

Color values

HEX	#17215D
RGB	rgb(23, 33, 93)
HSL	hsl(231, 60%, 23%)
HSV	hsv(231, 75%, 36%)
CMYK	cmyk(75.3%, 64.5%, 0%, 63.5%)
CIE-LAB	lab(15.80, 18.68, -37.18)
CIE-LCH	lch(15.80, 41.61, 296.67°)
OKLab	oklab(28.14% 0.0012 -0.1073)
OKLCH	oklch(28.14% 0.107 270.6)
XYZ	xyz(2.8723, 2.0599, 10.6000)
Luminance	0.0206 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#17215D #5D5317

analogous

#17445D #17215D #30175D

triadic

#17215D #5D1721 #215D17

tetradic

#17215D #5D1744 #5D5317 #175D30

square

#17215D #5D1744 #5D5317 #175D30

split-complementary

#17215D #5D3017 #445D17

monochromatic

#060919 #0B102C #17215D #23328E #2F44BF

Accessibility & contrast

On white

14.87

#17215D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.41

#17215D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #17215D

14.87:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##17215D	#FFFFFF	#000000	##FFFFFF
##17215D	1.00	14.87	1.41	14.87
#FFFFFF	14.87	1.00	21.00	1.00
#000000	1.41	21.00	1.00	21.00
##FFFFFF	14.87	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002B5F

Deuteranopia (green-blind)

#00245C

Tritanopia (blue-blind)

#00303B

Achromatopsia (no color)

#272727

Design tokens & code

CSS

--color: #17215d;
/* rgb */ color: rgb(23, 33, 93);
/* oklch */ color: oklch(28.1% 0.107 270.6);

Tailwind

colors: {
  custom: {
    50: '#5f5c8b',
    500: '#17215d',
    950: '#000000',
  },
}

SCSS

$custom: #17215d;
$custom-light: #5f5c8b;
$custom-dark: #000000;

JSON

{
  "hex": "#17215d",
  "rgb": {
    "r": 23,
    "g": 33,
    "b": 93
  },
  "hsl": {
    "h": 231.429,
    "s": 60.345,
    "l": 22.745
  },
  "oklch": {
    "l": 0.28142,
    "c": 0.10727,
    "h": 270.6
  },
  "luminance": 0.0206
}

Semantic roles & 50–950 ramp

primary

#17215D

secondary

#94873C

accent

#CD44E3

background

#F5F5F8

surface

#EAE9F0

border

#C6C5CB

text

#05040C

muted

#79797D

Preview Lab

Preview with #17215D

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

Preview Lab → · Contrast checker → · Palette generator →