#17276B#17276B

#17276B is a dark, vivid blue. Relative luminance 0.027; OKLCH L 30.7% C 0.120 H 268.2°. Best body text is #FFFFFF at 13.65:1 contrast (WCAG AA passes).

Color values

HEX	#17276B
RGB	rgb(23, 39, 107)
HSL	hsl(229, 65%, 25%)
HSV	hsv(229, 79%, 42%)
CMYK	cmyk(78.5%, 63.6%, 0%, 58%)
CIE-LAB	lab(18.78, 20.05, -41.54)
CIE-LCH	lch(18.78, 46.12, 295.76°)
OKLab	oklab(30.75% -0.0037 -0.12)
OKLCH	oklch(30.75% 0.12 268.2)
XYZ	xyz(3.7318, 2.6943, 14.2305)
Luminance	0.0270 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#17276B #6B5B17

analogous

#17516B #17276B #31176B

triadic

#17276B #6B1727 #276B17

tetradic

#17276B #6B1751 #6B5B17 #176B31

square

#17276B #6B1751 #6B5B17 #176B31

split-complementary

#17276B #6B3117 #516B17

monochromatic

#050919 #0C1539 #17276B #22399D #2D4CD0

Accessibility & contrast

On white

13.65

#17276B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.54

#17276B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #17276B

13.65:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##17276B	#FFFFFF	#000000	##FFFFFF
##17276B	1.00	13.65	1.54	13.65
#FFFFFF	13.65	1.00	21.00	1.00
#000000	1.54	21.00	1.00	21.00
##FFFFFF	13.65	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00326D

Deuteranopia (green-blind)

#002A6A

Tritanopia (blue-blind)

#003845

Achromatopsia (no color)

#2E2E2E

Design tokens & code

CSS

--color: #17276b;
/* rgb */ color: rgb(23, 39, 107);
/* oklch */ color: oklch(30.7% 0.120 268.2);

Tailwind

colors: {
  custom: {
    50: '#626096',
    500: '#17276b',
    950: '#000000',
  },
}

SCSS

$custom: #17276b;
$custom-light: #626096;
$custom-dark: #000000;

JSON

{
  "hex": "#17276b",
  "rgb": {
    "r": 23,
    "g": 39,
    "b": 107
  },
  "hsl": {
    "h": 228.571,
    "s": 64.615,
    "l": 25.49
  },
  "oklch": {
    "l": 0.30748,
    "c": 0.12003,
    "h": 268.2
  },
  "luminance": 0.02695
}

Semantic roles & 50–950 ramp

primary

#17276B

secondary

#A18E3D

accent

#C840E8

background

#F6F5F9

surface

#EBE9F2

border

#C6C5CC

text

#06050D

muted

#7A797E

Preview Lab

Preview with #17276B

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

Preview Lab → · Contrast checker → · Palette generator →