#17277C#17277C

#17277C is a dark, vivid blue. Relative luminance 0.031; OKLCH L 32.4% C 0.144 H 268.3°. Best body text is #FFFFFF at 12.98:1 contrast (WCAG AA passes).

Color values

HEX	#17277C
RGB	rgb(23, 39, 124)
HSL	hsl(230, 69%, 29%)
HSV	hsv(230, 81%, 49%)
CMYK	cmyk(81.5%, 68.5%, 0%, 51.4%)
CIE-LAB	lab(20.39, 26.86, -49.82)
CIE-LCH	lch(20.39, 56.60, 298.33°)
OKLab	oklab(32.44% -0.0043 -0.1442)
OKLCH	oklch(32.44% 0.144 268.3)
XYZ	xyz(4.7157, 3.0879, 19.4124)
Luminance	0.0309 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#17277C #7C6C17

analogous

#175A7C #17277C #3A177C

triadic

#17277C #7C1727 #277C17

tetradic

#17277C #7C175A #7C6C17 #177C3A

square

#17277C #7C175A #7C6C17 #177C3A

split-complementary

#17277C #7C3A17 #5A7C17

monochromatic

#05081A #0D1748 #17277C #2137B0 #344ED9

Accessibility & contrast

On white

12.98

#17277C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.62

#17277C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #17277C

12.98:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##17277C	#FFFFFF	#000000	##FFFFFF
##17277C	1.00	12.98	1.62	12.98
#FFFFFF	12.98	1.00	21.00	1.00
#000000	1.62	21.00	1.00	21.00
##FFFFFF	12.98	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00367F

Deuteranopia (green-blind)

#002C7A

Tritanopia (blue-blind)

#003E4E

Achromatopsia (no color)

#313131

Design tokens & code

CSS

--color: #17277c;
/* rgb */ color: rgb(23, 39, 124);
/* oklch */ color: oklch(32.4% 0.144 268.3);

Tailwind

colors: {
  custom: {
    50: '#6761a3',
    500: '#17277c',
    950: '#000000',
  },
}

SCSS

$custom: #17277c;
$custom-light: #6761a3;
$custom-dark: #000000;

JSON

{
  "hex": "#17277c",
  "rgb": {
    "r": 23,
    "g": 39,
    "b": 124
  },
  "hsl": {
    "h": 230.495,
    "s": 68.707,
    "l": 28.824
  },
  "oklch": {
    "l": 0.32438,
    "c": 0.14428,
    "h": 268.3
  },
  "luminance": 0.03088
}

Semantic roles & 50–950 ramp

primary

#17277C

secondary

#B19F3E

accent

#D03CEC

background

#F6F5FA

surface

#EBE9F4

border

#C6C5CE

text

#07050F

muted

#7A797F

Preview Lab

Preview with #17277C

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

Preview Lab → · Contrast checker → · Palette generator →