#17124B#17124B

#17124B is a very dark, moderate blue. Relative luminance 0.011; OKLCH L 23.3% C 0.101 H 279.1°. Best body text is #FFFFFF at 17.15:1 contrast (WCAG AA passes).

Color values

HEX	#17124B
RGB	rgb(23, 18, 75)
HSL	hsl(245, 61%, 18%)
HSV	hsv(245, 76%, 29%)
CMYK	cmyk(69.3%, 76%, 0%, 70.6%)
CIE-LAB	lab(9.97, 22.28, -34.47)
CIE-LCH	lch(9.97, 41.04, 302.88°)
OKLab	oklab(23.34% 0.0159 -0.0994)
OKLCH	oklch(23.34% 0.101 279.1)
XYZ	xyz(1.8392, 1.1226, 6.7750)
Luminance	0.0112 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Midnight Blue (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#17124B #464B12

analogous

#12294B #17124B #33124B

triadic

#17124B #4B1712 #124B17

tetradic

#17124B #4B1229 #464B12 #124B33

square

#17124B #4B1229 #464B12 #124B33

split-complementary

#17124B #4B3312 #294B12

monochromatic

#080619 #08061A #17124B #261E7C #352AAE

Accessibility & contrast

On white

17.15

#17124B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.22

#17124B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #17124B

17.15:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##17124B	#FFFFFF	#000000	##FFFFFF
##17124B	1.00	17.15	1.22	17.15
#FFFFFF	17.15	1.00	21.00	1.00
#000000	1.22	21.00	1.00	21.00
##FFFFFF	17.15	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001E4D

Deuteranopia (green-blind)

#00194A

Tritanopia (blue-blind)

#00212C

Achromatopsia (no color)

#1B1B1B

Design tokens & code

CSS

--color: #17124b;
/* rgb */ color: rgb(23, 18, 75);
/* oklch */ color: oklch(23.3% 0.101 279.1);

Tailwind

colors: {
  custom: {
    50: '#5c507e',
    500: '#17124b',
    950: '#000000',
  },
}

SCSS

$custom: #17124b;
$custom-light: #5c507e;
$custom-dark: #000000;

JSON

{
  "hex": "#17124b",
  "rgb": {
    "r": 23,
    "g": 18,
    "b": 75
  },
  "hsl": {
    "h": 245.263,
    "s": 61.29,
    "l": 18.235
  },
  "oklch": {
    "l": 0.23338,
    "c": 0.10067,
    "h": 279.1
  },
  "luminance": 0.01123
}

Semantic roles & 50–950 ramp

primary

#17124B

secondary

#7D8435

accent

#E443D6

background

#F5F4F7

surface

#E9E7EE

border

#C5C3C9

text

#04020A

muted

#79787C

Preview Lab

Preview with #17124B

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

Preview Lab → · Contrast checker → · Palette generator →