#171A7E#171A7E

#171A7E is a dark, vivid blue. Relative luminance 0.024; OKLCH L 30.5% C 0.161 H 270.5°. Best body text is #FFFFFF at 14.14:1 contrast (WCAG AA passes).

Color values

HEX	#171A7E
RGB	rgb(23, 26, 126)
HSL	hsl(238, 69%, 29%)
HSV	hsv(238, 82%, 49%)
CMYK	cmyk(81.7%, 79.4%, 0%, 50.6%)
CIE-LAB	lab(17.58, 35.95, -55.72)
CIE-LCH	lch(17.58, 66.31, 302.83°)
OKLab	oklab(30.48% 0.0014 -0.1614)
OKLCH	oklch(30.48% 0.161 270.5)
XYZ	xyz(4.4874, 2.4268, 19.9665)
Luminance	0.0243 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#171A7E #7E7B17

analogous

#174E7E #171A7E #48177E

triadic

#171A7E #7E171A #1A7E17

tetradic

#171A7E #7E174E #7E7B17 #177E48

square

#171A7E #7E174E #7E7B17 #177E48

split-complementary

#171A7E #7E4817 #4E7E17

monochromatic

#05051A #0E0F4A #171A7E #2025B2 #353ADA

Accessibility & contrast

On white

14.14

#171A7E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.49

#171A7E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #171A7E

14.14:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##171A7E	#FFFFFF	#000000	##FFFFFF
##171A7E	1.00	14.14	1.49	14.14
#FFFFFF	14.14	1.00	21.00	1.00
#000000	1.49	21.00	1.00	21.00
##FFFFFF	14.14	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003081

Deuteranopia (green-blind)

#00267C

Tritanopia (blue-blind)

#00384B

Achromatopsia (no color)

#2B2B2B

Design tokens & code

CSS

--color: #171a7e;
/* rgb */ color: rgb(23, 26, 126);
/* oklch */ color: oklch(30.5% 0.161 270.5);

Tailwind

colors: {
  custom: {
    50: '#6958a5',
    500: '#171a7e',
    950: '#000000',
  },
}

SCSS

$custom: #171a7e;
$custom-light: #6958a5;
$custom-dark: #000000;

JSON

{
  "hex": "#171a7e",
  "rgb": {
    "r": 23,
    "g": 26,
    "b": 126
  },
  "hsl": {
    "h": 238.252,
    "s": 69.128,
    "l": 29.216
  },
  "oklch": {
    "l": 0.30484,
    "c": 0.16138,
    "h": 270.5
  },
  "luminance": 0.02427
}

Semantic roles & 50–950 ramp

primary

#171A7E

secondary

#B3AF3E

accent

#E73CEC

background

#F6F5FA

surface

#ECE9F4

border

#C7C5CE

text

#08030F

muted

#7A787F

Preview Lab

Preview with #171A7E

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

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