#17276D#17276D

#17276D is a dark, vivid blue. Relative luminance 0.027; OKLCH L 30.9% C 0.123 H 268.3°. Best body text is #FFFFFF at 13.57:1 contrast (WCAG AA passes).

Color values

HEX	#17276D
RGB	rgb(23, 39, 109)
HSL	hsl(229, 65%, 26%)
HSV	hsv(229, 79%, 43%)
CMYK	cmyk(78.9%, 64.2%, 0%, 57.3%)
CIE-LAB	lab(18.96, 20.86, -42.54)
CIE-LCH	lch(18.96, 47.38, 296.12°)
OKLab	oklab(30.94% -0.0037 -0.1229)
OKLCH	oklch(30.94% 0.123 268.3)
XYZ	xyz(3.8382, 2.7369, 14.7910)
Luminance	0.0274 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#17276D #6D5D17

analogous

#17526D #17276D #32176D

triadic

#17276D #6D1727 #276D17

tetradic

#17276D #6D1752 #6D5D17 #176D32

square

#17276D #6D1752 #6D5D17 #176D32

split-complementary

#17276D #6D3217 #526D17

monochromatic

#050919 #0C153A #17276D #2239A0 #2C4BD2

Accessibility & contrast

On white

13.57

#17276D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.55

#17276D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #17276D

13.57:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##17276D	#FFFFFF	#000000	##FFFFFF
##17276D	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)

#00326F

Deuteranopia (green-blind)

#002A6C

Tritanopia (blue-blind)

#003946

Achromatopsia (no color)

#2E2E2E

Design tokens & code

CSS

--color: #17276d;
/* rgb */ color: rgb(23, 39, 109);
/* oklch */ color: oklch(30.9% 0.123 268.3);

Tailwind

colors: {
  custom: {
    50: '#636098',
    500: '#17276d',
    950: '#000000',
  },
}

SCSS

$custom: #17276d;
$custom-light: #636098;
$custom-dark: #000000;

JSON

{
  "hex": "#17276d",
  "rgb": {
    "r": 23,
    "g": 39,
    "b": 109
  },
  "hsl": {
    "h": 228.837,
    "s": 65.152,
    "l": 25.882
  },
  "oklch": {
    "l": 0.3094,
    "c": 0.12297,
    "h": 268.3
  },
  "luminance": 0.02737
}

Semantic roles & 50–950 ramp

primary

#17276D

secondary

#A3903D

accent

#C940E8

background

#F6F5F9

surface

#EBE9F2

border

#C6C5CC

text

#06050E

muted

#7A797E

Preview Lab

Preview with #17276D

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

Preview Lab → · Contrast checker → · Palette generator →