#170E50#170E50

#170E50 is a very dark, moderate blue. Relative luminance 0.011; OKLCH L 23.2% C 0.113 H 279.2°. Best body text is #FFFFFF at 17.28:1 contrast (WCAG AA passes).

Color values

HEX	#170E50
RGB	rgb(23, 14, 80)
HSL	hsl(248, 70%, 18%)
HSV	hsv(248, 83%, 31%)
CMYK	cmyk(71.2%, 82.5%, 0%, 68.6%)
CIE-LAB	lab(9.60, 26.70, -38.53)
CIE-LCH	lch(9.60, 46.88, 304.72°)
OKLab	oklab(23.24% 0.018 -0.1113)
OKLCH	oklch(23.24% 0.113 279.2)
XYZ	xyz(1.9579, 1.0753, 7.6922)
Luminance	0.0107 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#170E50 #47500E

analogous

#0E2650 #170E50 #380E50

triadic

#170E50 #50170E #0E5017

tetradic

#170E50 #500E26 #47500E #0E5038

square

#170E50 #500E26 #47500E #0E5038

split-complementary

#170E50 #50380E #26500E

monochromatic

#07051A #08051C #170E50 #261784 #3520B8

Accessibility & contrast

On white

17.28

#170E50 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.21

#170E50 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #170E50

17.28:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##170E50	#FFFFFF	#000000	##FFFFFF
##170E50	1.00	17.28	1.21	17.28
#FFFFFF	17.28	1.00	21.00	1.00
#000000	1.21	21.00	1.00	21.00
##FFFFFF	17.28	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001D52

Deuteranopia (green-blind)

#00184F

Tritanopia (blue-blind)

#00212E

Achromatopsia (no color)

#1B1B1B

Design tokens & code

CSS

--color: #170e50;
/* rgb */ color: rgb(23, 14, 80);
/* oklch */ color: oklch(23.2% 0.113 279.2);

Tailwind

colors: {
  custom: {
    50: '#5e4e82',
    500: '#170e50',
    950: '#000000',
  },
}

SCSS

$custom: #170e50;
$custom-light: #5e4e82;
$custom-dark: #000000;

JSON

{
  "hex": "#170e50",
  "rgb": {
    "r": 23,
    "g": 14,
    "b": 80
  },
  "hsl": {
    "h": 248.182,
    "s": 70.213,
    "l": 18.431
  },
  "oklch": {
    "l": 0.23243,
    "c": 0.1127,
    "h": 279.2
  },
  "luminance": 0.01075
}

Semantic roles & 50–950 ramp

primary

#170E50

secondary

#7E8B2F

accent

#ED3BD5

background

#F5F4F8

surface

#EAE7EF

border

#C6C3CA

text

#05010A

muted

#79777C

Preview Lab

Preview with #170E50

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

Preview Lab → · Contrast checker → · Palette generator →