#17285F#17285F

#17285F is a dark, moderate blue. Relative luminance 0.025; OKLCH L 29.9% C 0.101 H 267.1°. Best body text is #FFFFFF at 13.95:1 contrast (WCAG AA passes).

Color values

HEX	#17285F
RGB	rgb(23, 40, 95)
HSL	hsl(226, 61%, 23%)
HSV	hsv(226, 76%, 37%)
CMYK	cmyk(75.8%, 57.9%, 0%, 62.7%)
CIE-LAB	lab(18.03, 14.37, -34.87)
CIE-LCH	lch(18.03, 37.72, 292.39°)
OKLab	oklab(29.87% -0.0051 -0.1004)
OKLCH	oklch(29.87% 0.101 267.1)
XYZ	xyz(3.1770, 2.5256, 11.1443)
Luminance	0.0253 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#17285F #5F4E17

analogous

#174C5F #17285F #2A175F

triadic

#17285F #5F1728 #285F17

tetradic

#17285F #5F174C #5F4E17 #175F2A

square

#17285F #5F174C #5F4E17 #175F2A

split-complementary

#17285F #5F2A17 #4C5F17

monochromatic

#060A19 #0B132E #17285F #233D90 #2F51C2

Accessibility & contrast

On white

13.95

#17285F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.51

#17285F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #17285F

13.95:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##17285F	#FFFFFF	#000000	##FFFFFF
##17285F	1.00	13.95	1.51	13.95
#FFFFFF	13.95	1.00	21.00	1.00
#000000	1.51	21.00	1.00	21.00
##FFFFFF	13.95	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#013061

Deuteranopia (green-blind)

#00295E

Tritanopia (blue-blind)

#00353F

Achromatopsia (no color)

#2C2C2C

Design tokens & code

CSS

--color: #17285f;
/* rgb */ color: rgb(23, 40, 95);
/* oklch */ color: oklch(29.9% 0.101 267.1);

Tailwind

colors: {
  custom: {
    50: '#5f618d',
    500: '#17285f',
    950: '#000000',
  },
}

SCSS

$custom: #17285f;
$custom-light: #5f618d;
$custom-dark: #000000;

JSON

{
  "hex": "#17285f",
  "rgb": {
    "r": 23,
    "g": 40,
    "b": 95
  },
  "hsl": {
    "h": 225.833,
    "s": 61.017,
    "l": 23.137
  },
  "oklch": {
    "l": 0.29869,
    "c": 0.1005,
    "h": 267.1
  },
  "luminance": 0.02526
}

Semantic roles & 50–950 ramp

primary

#17285F

secondary

#96813C

accent

#BE44E4

background

#F5F5F8

surface

#EAE9F0

border

#C6C5CB

text

#05050C

muted

#79797D

Preview Lab

Preview with #17285F

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

Preview Lab → · Contrast checker → · Palette generator →