#17277F#17277F

#17277F is a dark, vivid blue. Relative luminance 0.032; OKLCH L 32.7% C 0.148 H 268.3°. Best body text is #FFFFFF at 12.86:1 contrast (WCAG AA passes).

Color values

HEX	#17277F
RGB	rgb(23, 39, 127)
HSL	hsl(231, 69%, 29%)
HSV	hsv(231, 82%, 50%)
CMYK	cmyk(81.9%, 69.3%, 0%, 50.2%)
CIE-LAB	lab(20.69, 28.04, -51.23)
CIE-LCH	lch(20.69, 58.40, 298.69°)
OKLab	oklab(32.75% -0.0045 -0.1483)
OKLCH	oklch(32.75% 0.148 268.3)
XYZ	xyz(4.9083, 3.1649, 20.4268)
Luminance	0.0317 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#17277F #7F6F17

analogous

#175B7F #17277F #3B177F

triadic

#17277F #7F1727 #277F17

tetradic

#17277F #7F175B #7F6F17 #177F3B

square

#17277F #7F175B #7F6F17 #177F3B

split-complementary

#17277F #7F3B17 #5B7F17

monochromatic

#05081A #0E174B #17277F #2037B3 #364FDB

Accessibility & contrast

On white

12.86

#17277F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.63

#17277F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #17277F

12.86:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##17277F	#FFFFFF	#000000	##FFFFFF
##17277F	1.00	12.86	1.63	12.86
#FFFFFF	12.86	1.00	21.00	1.00
#000000	1.63	21.00	1.00	21.00
##FFFFFF	12.86	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003782

Deuteranopia (green-blind)

#002D7D

Tritanopia (blue-blind)

#003F4F

Achromatopsia (no color)

#323232

Design tokens & code

CSS

--color: #17277f;
/* rgb */ color: rgb(23, 39, 127);
/* oklch */ color: oklch(32.7% 0.148 268.3);

Tailwind

colors: {
  custom: {
    50: '#6861a5',
    500: '#17277f',
    950: '#000000',
  },
}

SCSS

$custom: #17277f;
$custom-light: #6861a5;
$custom-dark: #000000;

JSON

{
  "hex": "#17277f",
  "rgb": {
    "r": 23,
    "g": 39,
    "b": 127
  },
  "hsl": {
    "h": 230.769,
    "s": 69.333,
    "l": 29.412
  },
  "oklch": {
    "l": 0.32748,
    "c": 0.14841,
    "h": 268.3
  },
  "luminance": 0.03166
}

Semantic roles & 50–950 ramp

primary

#17277F

secondary

#B4A23E

accent

#D13CEC

background

#F6F5FA

surface

#ECE9F4

border

#C7C5CE

text

#07050F

muted

#7A797F

Preview Lab

Preview with #17277F

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

Preview Lab → · Contrast checker → · Palette generator →