#17277D#17277D

#17277D is a dark, vivid blue. Relative luminance 0.031; OKLCH L 32.5% C 0.146 H 268.3°. Best body text is #FFFFFF at 12.94:1 contrast (WCAG AA passes).

Color values

HEX	#17277D
RGB	rgb(23, 39, 125)
HSL	hsl(231, 69%, 29%)
HSV	hsv(231, 82%, 49%)
CMYK	cmyk(81.6%, 68.8%, 0%, 51%)
CIE-LAB	lab(20.49, 27.26, -50.29)
CIE-LCH	lch(20.49, 57.20, 298.46°)
OKLab	oklab(32.54% -0.0044 -0.1456)
OKLCH	oklch(32.54% 0.146 268.3)
XYZ	xyz(4.7793, 3.1133, 19.7471)
Luminance	0.0311 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#17277D #7D6D17

analogous

#175A7D #17277D #3A177D

triadic

#17277D #7D1727 #277D17

tetradic

#17277D #7D175A #7D6D17 #177D3A

square

#17277D #7D175A #7D6D17 #177D3A

split-complementary

#17277D #7D3A17 #5A7D17

monochromatic

#05081A #0D1749 #17277D #2137B1 #354FDA

Accessibility & contrast

On white

12.94

#17277D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.62

#17277D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #17277D

12.94:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##17277D	#FFFFFF	#000000	##FFFFFF
##17277D	1.00	12.94	1.62	12.94
#FFFFFF	12.94	1.00	21.00	1.00
#000000	1.62	21.00	1.00	21.00
##FFFFFF	12.94	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003680

Deuteranopia (green-blind)

#002D7B

Tritanopia (blue-blind)

#003E4E

Achromatopsia (no color)

#313131

Design tokens & code

CSS

--color: #17277d;
/* rgb */ color: rgb(23, 39, 125);
/* oklch */ color: oklch(32.5% 0.146 268.3);

Tailwind

colors: {
  custom: {
    50: '#6761a4',
    500: '#17277d',
    950: '#000000',
  },
}

SCSS

$custom: #17277d;
$custom-light: #6761a4;
$custom-dark: #000000;

JSON

{
  "hex": "#17277d",
  "rgb": {
    "r": 23,
    "g": 39,
    "b": 125
  },
  "hsl": {
    "h": 230.588,
    "s": 68.919,
    "l": 29.02
  },
  "oklch": {
    "l": 0.32541,
    "c": 0.14567,
    "h": 268.3
  },
  "luminance": 0.03114
}

Semantic roles & 50–950 ramp

primary

#17277D

secondary

#B2A03E

accent

#D03CEC

background

#F6F5FA

surface

#ECE9F4

border

#C7C5CE

text

#07050F

muted

#7A797F

Preview Lab

Preview with #17277D

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

Preview Lab → · Contrast checker → · Palette generator →