#171A69#171A69

#171A69 is a dark, vivid blue. Relative luminance 0.019; OKLCH L 28.1% C 0.134 H 272.2°. Best body text is #FFFFFF at 15.13:1 contrast (WCAG AA passes).

Color values

HEX	#171A69
RGB	rgb(23, 26, 105)
HSL	hsl(238, 64%, 25%)
HSV	hsv(238, 78%, 41%)
CMYK	cmyk(78.1%, 75.2%, 0%, 58.8%)
CIE-LAB	lab(15.17, 28.29, -46.14)
CIE-LCH	lch(15.17, 54.12, 301.51°)
OKLab	oklab(28.05% 0.0051 -0.1335)
OKLCH	oklch(28.05% 0.134 272.2)
XYZ	xyz(3.2717, 1.9405, 13.5640)
Luminance	0.0194 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#171A69 #696617

analogous

#174369 #171A69 #3D1769

triadic

#171A69 #69171A #1A6917

tetradic

#171A69 #691743 #696617 #17693D

square

#171A69 #691743 #696617 #17693D

split-complementary

#171A69 #693D17 #436917

monochromatic

#050619 #0C0E37 #171A69 #22269B #2D33CD

Accessibility & contrast

On white

15.13

#171A69 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.39

#171A69 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #171A69

15.13:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##171A69	#FFFFFF	#000000	##FFFFFF
##171A69	1.00	15.13	1.39	15.13
#FFFFFF	15.13	1.00	21.00	1.00
#000000	1.39	21.00	1.00	21.00
##FFFFFF	15.13	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002A6B

Deuteranopia (green-blind)

#002268

Tritanopia (blue-blind)

#00303F

Achromatopsia (no color)

#262626

Design tokens & code

CSS

--color: #171a69;
/* rgb */ color: rgb(23, 26, 105);
/* oklch */ color: oklch(28.1% 0.134 272.2);

Tailwind

colors: {
  custom: {
    50: '#635795',
    500: '#171a69',
    950: '#000000',
  },
}

SCSS

$custom: #171a69;
$custom-light: #635795;
$custom-dark: #000000;

JSON

{
  "hex": "#171a69",
  "rgb": {
    "r": 23,
    "g": 26,
    "b": 105
  },
  "hsl": {
    "h": 237.805,
    "s": 64.063,
    "l": 25.098
  },
  "oklch": {
    "l": 0.28054,
    "c": 0.13361,
    "h": 272.2
  },
  "luminance": 0.01941
}

Semantic roles & 50–950 ramp

primary

#171A69

secondary

#9F9C3D

accent

#E141E7

background

#F6F5F9

surface

#EBE9F2

border

#C6C5CC

text

#06030D

muted

#7A787E

Preview Lab

Preview with #171A69

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

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