#17276C#17276C

#17276C is a dark, vivid blue. Relative luminance 0.027; OKLCH L 30.8% C 0.121 H 268.2°. Best body text is #FFFFFF at 13.61:1 contrast (WCAG AA passes).

Color values

HEX	#17276C
RGB	rgb(23, 39, 108)
HSL	hsl(229, 65%, 26%)
HSV	hsv(229, 79%, 42%)
CMYK	cmyk(78.7%, 63.9%, 0%, 57.6%)
CIE-LAB	lab(18.87, 20.45, -42.04)
CIE-LCH	lch(18.87, 46.75, 295.94°)
OKLab	oklab(30.84% -0.0037 -0.1214)
OKLCH	oklch(30.84% 0.122 268.2)
XYZ	xyz(3.7847, 2.7155, 14.5091)
Luminance	0.0272 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#17276C #6C5C17

analogous

#17516C #17276C #31176C

triadic

#17276C #6C1727 #276C17

tetradic

#17276C #6C1751 #6C5C17 #176C31

square

#17276C #6C1751 #6C5C17 #176C31

split-complementary

#17276C #6C3117 #516C17

monochromatic

#050919 #0C153A #17276C #22399E #2C4BD1

Accessibility & contrast

On white

13.61

#17276C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.54

#17276C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #17276C

13.61:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##17276C	#FFFFFF	#000000	##FFFFFF
##17276C	1.00	13.61	1.54	13.61
#FFFFFF	13.61	1.00	21.00	1.00
#000000	1.54	21.00	1.00	21.00
##FFFFFF	13.61	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00326E

Deuteranopia (green-blind)

#002A6B

Tritanopia (blue-blind)

#003945

Achromatopsia (no color)

#2E2E2E

Design tokens & code

CSS

--color: #17276c;
/* rgb */ color: rgb(23, 39, 108);
/* oklch */ color: oklch(30.8% 0.121 268.2);

Tailwind

colors: {
  custom: {
    50: '#636097',
    500: '#17276c',
    950: '#000000',
  },
}

SCSS

$custom: #17276c;
$custom-light: #636097;
$custom-dark: #000000;

JSON

{
  "hex": "#17276c",
  "rgb": {
    "r": 23,
    "g": 39,
    "b": 108
  },
  "hsl": {
    "h": 228.706,
    "s": 64.885,
    "l": 25.686
  },
  "oklch": {
    "l": 0.30844,
    "c": 0.1215,
    "h": 268.2
  },
  "luminance": 0.02716
}

Semantic roles & 50–950 ramp

primary

#17276C

secondary

#A28F3D

accent

#C840E8

background

#F6F5F9

surface

#EBE9F2

border

#C6C5CC

text

#06050D

muted

#7A797E

Preview Lab

Preview with #17276C

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

Preview Lab → · Contrast checker → · Palette generator →