#170E4C#170E4C

#170E4C is a very dark, moderate blue. Relative luminance 0.010; OKLCH L 22.8% C 0.107 H 280.2°. Best body text is #FFFFFF at 17.45:1 contrast (WCAG AA passes).

Color values

HEX	#170E4C
RGB	rgb(23, 14, 76)
HSL	hsl(249, 69%, 18%)
HSV	hsv(249, 82%, 30%)
CMYK	cmyk(69.7%, 81.6%, 0%, 70.2%)
CIE-LAB	lab(9.14, 25.27, -36.53)
CIE-LCH	lch(9.14, 44.42, 304.67°)
OKLab	oklab(22.78% 0.0191 -0.1054)
OKLCH	oklch(22.78% 0.107 280.2)
XYZ	xyz(1.8145, 1.0179, 6.9369)
Luminance	0.0102 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Midnight Blue (survey)

#020035

ΔE00 5.59

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#170E4C #434C0E

analogous

#0E244C #170E4C #360E4C

triadic

#170E4C #4C170E #0E4C17

tetradic

#170E4C #4C0E24 #434C0E #0E4C36

square

#170E4C #4C0E24 #434C0E #0E4C36

split-complementary

#170E4C #4C360E #244C0E

monochromatic

#08051A #08051A #170E4C #271880 #3621B3

Accessibility & contrast

On white

17.45

#170E4C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.20

#170E4C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #170E4C

17.45:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##170E4C	#FFFFFF	#000000	##FFFFFF
##170E4C	1.00	17.45	1.20	17.45
#FFFFFF	17.45	1.00	21.00	1.00
#000000	1.20	21.00	1.00	21.00
##FFFFFF	17.45	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001C4E

Deuteranopia (green-blind)

#00174B

Tritanopia (blue-blind)

#00202C

Achromatopsia (no color)

#1A1A1A

Design tokens & code

CSS

--color: #170e4c;
/* rgb */ color: rgb(23, 14, 76);
/* oklch */ color: oklch(22.8% 0.107 280.2);

Tailwind

colors: {
  custom: {
    50: '#5d4e7f',
    500: '#170e4c',
    950: '#000000',
  },
}

SCSS

$custom: #170e4c;
$custom-light: #5d4e7f;
$custom-dark: #000000;

JSON

{
  "hex": "#170e4c",
  "rgb": {
    "r": 23,
    "g": 14,
    "b": 76
  },
  "hsl": {
    "h": 248.71,
    "s": 68.889,
    "l": 17.647
  },
  "oklch": {
    "l": 0.22777,
    "c": 0.10713,
    "h": 280.2
  },
  "luminance": 0.01018
}

Semantic roles & 50–950 ramp

primary

#170E4C

secondary

#7A872F

accent

#EC3CD2

background

#F5F4F7

surface

#E9E7EE

border

#C5C3C9

text

#05010A

muted

#79777C

Preview Lab

Preview with #170E4C

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

Preview Lab → · Contrast checker → · Palette generator →