#171A56#171A56

#171A56 is a dark, moderate blue. Relative luminance 0.016; OKLCH L 26.0% C 0.106 H 274.1°. Best body text is #FFFFFF at 15.93:1 contrast (WCAG AA passes).

Color values

HEX	#171A56
RGB	rgb(23, 26, 86)
HSL	hsl(237, 58%, 21%)
HSV	hsv(237, 73%, 34%)
CMYK	cmyk(73.3%, 69.8%, 0%, 66.3%)
CIE-LAB	lab(13.19, 20.93, -36.75)
CIE-LCH	lch(13.19, 42.29, 299.66°)
OKLab	oklab(26.01% 0.0075 -0.106)
OKLCH	oklch(26.01% 0.106 274.1)
XYZ	xyz(2.4019, 1.5926, 8.9831)
Luminance	0.0159 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#171A56 #565317

analogous

#173A56 #171A56 #341756

triadic

#171A56 #56171A #1A5617

tetradic

#171A56 #56173A #565317 #175634

square

#171A56 #56173A #565317 #175634

split-complementary

#171A56 #563417 #3A5617

monochromatic

#060718 #0A0B26 #171A56 #242986 #3137B7

Accessibility & contrast

On white

15.93

#171A56 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.32

#171A56 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #171A56

15.93:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##171A56	#FFFFFF	#000000	##FFFFFF
##171A56	1.00	15.93	1.32	15.93
#FFFFFF	15.93	1.00	21.00	1.00
#000000	1.32	21.00	1.00	21.00
##FFFFFF	15.93	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002558

Deuteranopia (green-blind)

#001F55

Tritanopia (blue-blind)

#002A35

Achromatopsia (no color)

#222222

Design tokens & code

CSS

--color: #171a56;
/* rgb */ color: rgb(23, 26, 86);
/* oklch */ color: oklch(26.0% 0.106 274.1);

Tailwind

colors: {
  custom: {
    50: '#5e5686',
    500: '#171a56',
    950: '#000000',
  },
}

SCSS

$custom: #171a56;
$custom-light: #5e5686;
$custom-dark: #000000;

JSON

{
  "hex": "#171a56",
  "rgb": {
    "r": 23,
    "g": 26,
    "b": 86
  },
  "hsl": {
    "h": 237.143,
    "s": 57.798,
    "l": 21.373
  },
  "oklch": {
    "l": 0.26012,
    "c": 0.10632,
    "h": 274.1
  },
  "luminance": 0.01593
}

Semantic roles & 50–950 ramp

primary

#171A56

secondary

#8D893C

accent

#DA47E1

background

#F5F5F8

surface

#EAE9EF

border

#C6C5CA

text

#05030B

muted

#79787C

Preview Lab

Preview with #171A56

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

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