#171A65#171A65

#171A65 is a dark, vivid blue. Relative luminance 0.019; OKLCH L 27.6% C 0.128 H 272.6°. Best body text is #FFFFFF at 15.30:1 contrast (WCAG AA passes).

Color values

HEX	#171A65
RGB	rgb(23, 26, 101)
HSL	hsl(238, 63%, 24%)
HSV	hsv(238, 77%, 40%)
CMYK	cmyk(77.2%, 74.3%, 0%, 60.4%)
CIE-LAB	lab(14.74, 26.77, -44.23)
CIE-LCH	lch(14.74, 51.70, 301.18°)
OKLab	oklab(27.61% 0.0057 -0.1279)
OKLCH	oklch(27.61% 0.128 272.6)
XYZ	xyz(3.0709, 1.8602, 12.5066)
Luminance	0.0186 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#171A65 #656217

analogous

#174165 #171A65 #3B1765

triadic

#171A65 #65171A #1A6517

tetradic

#171A65 #651741 #656217 #17653B

square

#171A65 #651741 #656217 #17653B

split-complementary

#171A65 #653B17 #416517

monochromatic

#060619 #0C0D33 #171A65 #222797 #2E34C9

Accessibility & contrast

On white

15.30

#171A65 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.37

#171A65 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #171A65

15.30:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##171A65	#FFFFFF	#000000	##FFFFFF
##171A65	1.00	15.30	1.37	15.30
#FFFFFF	15.30	1.00	21.00	1.00
#000000	1.37	21.00	1.00	21.00
##FFFFFF	15.30	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002967

Deuteranopia (green-blind)

#002164

Tritanopia (blue-blind)

#002F3D

Achromatopsia (no color)

#252525

Design tokens & code

CSS

--color: #171a65;
/* rgb */ color: rgb(23, 26, 101);
/* oklch */ color: oklch(27.6% 0.128 272.6);

Tailwind

colors: {
  custom: {
    50: '#625792',
    500: '#171a65',
    950: '#000000',
  },
}

SCSS

$custom: #171a65;
$custom-light: #625792;
$custom-dark: #000000;

JSON

{
  "hex": "#171a65",
  "rgb": {
    "r": 23,
    "g": 26,
    "b": 101
  },
  "hsl": {
    "h": 237.692,
    "s": 62.903,
    "l": 24.314
  },
  "oklch": {
    "l": 0.27609,
    "c": 0.12806,
    "h": 272.6
  },
  "luminance": 0.01861
}

Semantic roles & 50–950 ramp

primary

#171A65

secondary

#9B983C

accent

#E042E6

background

#F6F5F9

surface

#EBE9F1

border

#C6C5CB

text

#06030D

muted

#7A787E

Preview Lab

Preview with #171A65

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

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