#17286A#17286A

#17286A is a dark, moderate blue. Relative luminance 0.027; OKLCH L 30.9% C 0.117 H 267.8°. Best body text is #FFFFFF at 13.57:1 contrast (WCAG AA passes).

Color values

HEX	#17286A
RGB	rgb(23, 40, 106)
HSL	hsl(228, 64%, 25%)
HSV	hsv(228, 78%, 42%)
CMYK	cmyk(78.3%, 62.3%, 0%, 58.4%)
CIE-LAB	lab(18.97, 18.91, -40.57)
CIE-LCH	lch(18.97, 44.76, 295.00°)
OKLab	oklab(30.87% -0.0045 -0.1171)
OKLCH	oklch(30.87% 0.117 267.8)
XYZ	xyz(3.7128, 2.7400, 13.9661)
Luminance	0.0274 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#17286A #6A5917

analogous

#17516A #17286A #30176A

triadic

#17286A #6A1728 #286A17

tetradic

#17286A #6A1751 #6A5917 #176A30

square

#17286A #6A1751 #6A5917 #176A30

split-complementary

#17286A #6A3017 #516A17

monochromatic

#050919 #0C1538 #17286A #223B9C #2D4ECF

Accessibility & contrast

On white

13.57

#17286A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.55

#17286A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #17286A

13.57:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##17286A	#FFFFFF	#000000	##FFFFFF
##17286A	1.00	13.57	1.55	13.57
#FFFFFF	13.57	1.00	21.00	1.00
#000000	1.55	21.00	1.00	21.00
##FFFFFF	13.57	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00326C

Deuteranopia (green-blind)

#002A69

Tritanopia (blue-blind)

#003944

Achromatopsia (no color)

#2E2E2E

Design tokens & code

CSS

--color: #17286a;
/* rgb */ color: rgb(23, 40, 106);
/* oklch */ color: oklch(30.9% 0.117 267.8);

Tailwind

colors: {
  custom: {
    50: '#626195',
    500: '#17286a',
    950: '#000000',
  },
}

SCSS

$custom: #17286a;
$custom-light: #626195;
$custom-dark: #000000;

JSON

{
  "hex": "#17286a",
  "rgb": {
    "r": 23,
    "g": 40,
    "b": 106
  },
  "hsl": {
    "h": 227.711,
    "s": 64.341,
    "l": 25.294
  },
  "oklch": {
    "l": 0.30866,
    "c": 0.1172,
    "h": 267.8
  },
  "luminance": 0.0274
}

Semantic roles & 50–950 ramp

primary

#17286A

secondary

#A08C3D

accent

#C540E7

background

#F6F5F9

surface

#EBE9F2

border

#C6C5CC

text

#06050D

muted

#7A797E

Preview Lab

Preview with #17286A

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

Preview Lab → · Contrast checker → · Palette generator →