#17285E#17285E

#17285E is a dark, moderate blue. Relative luminance 0.025; OKLCH L 29.8% C 0.099 H 267.0°. Best body text is #FFFFFF at 13.99:1 contrast (WCAG AA passes).

Color values

HEX	#17285E
RGB	rgb(23, 40, 94)
HSL	hsl(226, 61%, 23%)
HSV	hsv(226, 76%, 37%)
CMYK	cmyk(75.5%, 57.4%, 0%, 63.1%)
CIE-LAB	lab(17.95, 13.95, -34.34)
CIE-LCH	lch(17.95, 37.07, 292.10°)
OKLab	oklab(29.78% -0.0052 -0.0988)
OKLCH	oklch(29.78% 0.099 267)
XYZ	xyz(3.1318, 2.5076, 10.9065)
Luminance	0.0251 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#17285E #5E4D17

analogous

#174B5E #17285E #29175E

triadic

#17285E #5E1728 #285E17

tetradic

#17285E #5E174B #5E4D17 #175E29

square

#17285E #5E174B #5E4D17 #175E29

split-complementary

#17285E #5E2917 #4B5E17

monochromatic

#060A19 #0B132D #17285E #233D8F #2F52C0

Accessibility & contrast

On white

13.99

#17285E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.50

#17285E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #17285E

13.99:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##17285E	#FFFFFF	#000000	##FFFFFF
##17285E	1.00	13.99	1.50	13.99
#FFFFFF	13.99	1.00	21.00	1.00
#000000	1.50	21.00	1.00	21.00
##FFFFFF	13.99	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#022F60

Deuteranopia (green-blind)

#00295D

Tritanopia (blue-blind)

#00353E

Achromatopsia (no color)

#2C2C2C

Design tokens & code

CSS

--color: #17285e;
/* rgb */ color: rgb(23, 40, 94);
/* oklch */ color: oklch(29.8% 0.099 267.0);

Tailwind

colors: {
  custom: {
    50: '#5f618c',
    500: '#17285e',
    950: '#000000',
  },
}

SCSS

$custom: #17285e;
$custom-light: #5f618c;
$custom-dark: #000000;

JSON

{
  "hex": "#17285e",
  "rgb": {
    "r": 23,
    "g": 40,
    "b": 94
  },
  "hsl": {
    "h": 225.634,
    "s": 60.684,
    "l": 22.941
  },
  "oklch": {
    "l": 0.29781,
    "c": 0.09895,
    "h": 267
  },
  "luminance": 0.02508
}

Semantic roles & 50–950 ramp

primary

#17285E

secondary

#95803C

accent

#BE44E4

background

#F5F5F8

surface

#EAE9F0

border

#C6C5CB

text

#05050C

muted

#79797D

Preview Lab

Preview with #17285E

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

Preview Lab → · Contrast checker → · Palette generator →