#17285D#17285D

#17285D is a dark, moderate blue. Relative luminance 0.025; OKLCH L 29.7% C 0.097 H 266.9°. Best body text is #FFFFFF at 14.02:1 contrast (WCAG AA passes).

Color values

HEX	#17285D
RGB	rgb(23, 40, 93)
HSL	hsl(225, 60%, 23%)
HSV	hsv(225, 75%, 36%)
CMYK	cmyk(75.3%, 57%, 0%, 63.5%)
CIE-LAB	lab(17.87, 13.53, -33.81)
CIE-LCH	lch(17.87, 36.42, 291.81°)
OKLab	oklab(29.7% -0.0053 -0.0972)
OKLCH	oklch(29.7% 0.097 266.9)
XYZ	xyz(3.0872, 2.4897, 10.6717)
Luminance	0.0249 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#17285D #5D4C17

analogous

#174B5D #17285D #29175D

triadic

#17285D #5D1728 #285D17

tetradic

#17285D #5D174B #5D4C17 #175D29

square

#17285D #5D174B #5D4C17 #175D29

split-complementary

#17285D #5D2917 #4B5D17

monochromatic

#060B19 #0B132C #17285D #233D8E #2F52BF

Accessibility & contrast

On white

14.02

#17285D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.50

#17285D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #17285D

14.02:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##17285D	#FFFFFF	#000000	##FFFFFF
##17285D	1.00	14.02	1.50	14.02
#FFFFFF	14.02	1.00	21.00	1.00
#000000	1.50	21.00	1.00	21.00
##FFFFFF	14.02	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#042F5F

Deuteranopia (green-blind)

#00295C

Tritanopia (blue-blind)

#00353E

Achromatopsia (no color)

#2C2C2C

Design tokens & code

CSS

--color: #17285d;
/* rgb */ color: rgb(23, 40, 93);
/* oklch */ color: oklch(29.7% 0.097 266.9);

Tailwind

colors: {
  custom: {
    50: '#5e618b',
    500: '#17285d',
    950: '#000000',
  },
}

SCSS

$custom: #17285d;
$custom-light: #5e618b;
$custom-dark: #000000;

JSON

{
  "hex": "#17285d",
  "rgb": {
    "r": 23,
    "g": 40,
    "b": 93
  },
  "hsl": {
    "h": 225.429,
    "s": 60.345,
    "l": 22.745
  },
  "oklch": {
    "l": 0.29695,
    "c": 0.09739,
    "h": 266.9
  },
  "luminance": 0.0249
}

Semantic roles & 50–950 ramp

primary

#17285D

secondary

#947E3C

accent

#BD44E3

background

#F5F5F8

surface

#EAE9F0

border

#C6C5CB

text

#05050C

muted

#79797D

Preview Lab

Preview with #17285D

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

Preview Lab → · Contrast checker → · Palette generator →