#17255F#17255F

#17255F is a dark, moderate blue. Relative luminance 0.023; OKLCH L 29.2% C 0.105 H 268.7°. Best body text is #FFFFFF at 14.32:1 contrast (WCAG AA passes).

Color values

HEX	#17255F
RGB	rgb(23, 37, 95)
HSL	hsl(228, 61%, 23%)
HSV	hsv(228, 76%, 37%)
CMYK	cmyk(75.8%, 61.1%, 0%, 62.7%)
CIE-LAB	lab(17.14, 16.57, -36.33)
CIE-LCH	lch(17.14, 39.93, 294.52°)
OKLab	oklab(29.2% -0.0023 -0.1047)
OKLCH	oklch(29.2% 0.105 268.7)
XYZ	xyz(3.0798, 2.3312, 11.1119)
Luminance	0.0233 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#17255F #5F5117

analogous

#17495F #17255F #2D175F

triadic

#17255F #5F1725 #255F17

tetradic

#17255F #5F1749 #5F5117 #175F2D

square

#17255F #5F1749 #5F5117 #175F2D

split-complementary

#17255F #5F2D17 #495F17

monochromatic

#060A19 #0B122E #17255F #233890 #2F4BC2

Accessibility & contrast

On white

14.32

#17255F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.47

#17255F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #17255F

14.32:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##17255F	#FFFFFF	#000000	##FFFFFF
##17255F	1.00	14.32	1.47	14.32
#FFFFFF	14.32	1.00	21.00	1.00
#000000	1.47	21.00	1.00	21.00
##FFFFFF	14.32	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002E61

Deuteranopia (green-blind)

#00275E

Tritanopia (blue-blind)

#00333E

Achromatopsia (no color)

#2A2A2A

Design tokens & code

CSS

--color: #17255f;
/* rgb */ color: rgb(23, 37, 95);
/* oklch */ color: oklch(29.2% 0.105 268.7);

Tailwind

colors: {
  custom: {
    50: '#5f5f8d',
    500: '#17255f',
    950: '#000000',
  },
}

SCSS

$custom: #17255f;
$custom-light: #5f5f8d;
$custom-dark: #000000;

JSON

{
  "hex": "#17255f",
  "rgb": {
    "r": 23,
    "g": 37,
    "b": 95
  },
  "hsl": {
    "h": 228.333,
    "s": 61.017,
    "l": 23.137
  },
  "oklch": {
    "l": 0.29195,
    "c": 0.10473,
    "h": 268.7
  },
  "luminance": 0.02332
}

Semantic roles & 50–950 ramp

primary

#17255F

secondary

#96843C

accent

#C544E4

background

#F5F5F8

surface

#EAE9F0

border

#C6C5CB

text

#05040C

muted

#79797D

Preview Lab

Preview with #17255F

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

Preview Lab → · Contrast checker → · Palette generator →