#17154E#17154E

#17154E is a very dark, moderate blue. Relative luminance 0.013; OKLCH L 24.2% C 0.101 H 277.3°. Best body text is #FFFFFF at 16.75:1 contrast (WCAG AA passes).

Color values

HEX	#17154E
RGB	rgb(23, 21, 78)
HSL	hsl(242, 58%, 19%)
HSV	hsv(242, 73%, 31%)
CMYK	cmyk(70.5%, 73.1%, 0%, 69.4%)
CIE-LAB	lab(11.05, 21.34, -34.78)
CIE-LCH	lch(11.05, 40.80, 301.54°)
OKLab	oklab(24.21% 0.0128 -0.1003)
OKLCH	oklch(24.21% 0.101 277.3)
XYZ	xyz(1.9962, 1.2684, 7.3459)
Luminance	0.0127 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Midnight Blue (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#17154E #4C4E15

analogous

#15304E #17154E #34154E

triadic

#17154E #4E1715 #154E17

tetradic

#17154E #4E1530 #4C4E15 #154E34

square

#17154E #4E1530 #4C4E15 #154E34

split-complementary

#17154E #4E3415 #304E15

monochromatic

#070618 #09081E #17154E #25227E #332FAE

Accessibility & contrast

On white

16.75

#17154E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.25

#17154E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #17154E

16.75:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##17154E	#FFFFFF	#000000	##FFFFFF
##17154E	1.00	16.75	1.25	16.75
#FFFFFF	16.75	1.00	21.00	1.00
#000000	1.25	21.00	1.00	21.00
##FFFFFF	16.75	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002050

Deuteranopia (green-blind)

#001B4D

Tritanopia (blue-blind)

#00242F

Achromatopsia (no color)

#1E1E1E

Design tokens & code

CSS

--color: #17154e;
/* rgb */ color: rgb(23, 21, 78);
/* oklch */ color: oklch(24.2% 0.101 277.3);

Tailwind

colors: {
  custom: {
    50: '#5c5280',
    500: '#17154e',
    950: '#000000',
  },
}

SCSS

$custom: #17154e;
$custom-light: #5c5280;
$custom-dark: #000000;

JSON

{
  "hex": "#17154e",
  "rgb": {
    "r": 23,
    "g": 21,
    "b": 78
  },
  "hsl": {
    "h": 242.105,
    "s": 57.576,
    "l": 19.412
  },
  "oklch": {
    "l": 0.24212,
    "c": 0.10111,
    "h": 277.3
  },
  "luminance": 0.01269
}

Semantic roles & 50–950 ramp

primary

#17154E

secondary

#838639

accent

#E147DB

background

#F5F4F7

surface

#E9E7EE

border

#C5C3C9

text

#04020A

muted

#79787C

Preview Lab

Preview with #17154E

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

Preview Lab → · Contrast checker → · Palette generator →