#170F76#170F76

#170F76 is a dark, vivid blue. Relative luminance 0.018; OKLCH L 28.1% C 0.161 H 272.3°. Best body text is #FFFFFF at 15.37:1 contrast (WCAG AA passes).

Color values

HEX	#170F76
RGB	rgb(23, 15, 118)
HSL	hsl(245, 77%, 26%)
HSV	hsv(245, 87%, 46%)
CMYK	cmyk(80.5%, 87.3%, 0%, 53.7%)
CIE-LAB	lab(14.58, 39.07, -55.58)
CIE-LCH	lch(14.58, 67.94, 305.10°)
OKLab	oklab(28.1% 0.0066 -0.1608)
OKLCH	oklch(28.1% 0.161 272.3)
XYZ	xyz(3.7931, 1.8314, 17.2896)
Luminance	0.0183 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#170F76 #6E760F

analogous

#0F3A76 #170F76 #4A0F76

triadic

#170F76 #76170F #0F7617

tetradic

#170F76 #760F3A #6E760F #0F764A

square

#170F76 #760F3A #6E760F #0F764A

split-complementary

#170F76 #764A0F #3A760F

monochromatic

#05031B #0C0840 #170F76 #2216AC #2C1DE2

Accessibility & contrast

On white

15.37

#170F76 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.37

#170F76 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #170F76

15.37:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##170F76	#FFFFFF	#000000	##FFFFFF
##170F76	1.00	15.37	1.37	15.37
#FFFFFF	15.37	1.00	21.00	1.00
#000000	1.37	21.00	1.00	21.00
##FFFFFF	15.37	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002A79

Deuteranopia (green-blind)

#002074

Tritanopia (blue-blind)

#003144

Achromatopsia (no color)

#252525

Design tokens & code

CSS

--color: #170f76;
/* rgb */ color: rgb(23, 15, 118);
/* oklch */ color: oklch(28.1% 0.161 272.3);

Tailwind

colors: {
  custom: {
    50: '#68519f',
    500: '#170f76',
    950: '#000000',
  },
}

SCSS

$custom: #170f76;
$custom-light: #68519f;
$custom-dark: #000000;

JSON

{
  "hex": "#170f76",
  "rgb": {
    "r": 23,
    "g": 15,
    "b": 118
  },
  "hsl": {
    "h": 244.66,
    "s": 77.444,
    "l": 26.078
  },
  "oklch": {
    "l": 0.28096,
    "c": 0.16092,
    "h": 272.3
  },
  "luminance": 0.01832
}

Semantic roles & 50–950 ramp

primary

#170F76

secondary

#A4AD33

accent

#F434E5

background

#F6F4F9

surface

#ECE7F2

border

#C7C3CC

text

#07020F

muted

#7A787E

Preview Lab

Preview with #170F76

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

Preview Lab → · Contrast checker → · Palette generator →