#171D60#171D60

#171D60 is a dark, moderate blue. Relative luminance 0.019; OKLCH L 27.6% C 0.117 H 272.1°. Best body text is #FFFFFF at 15.21:1 contrast (WCAG AA passes).

Color values

HEX	#171D60
RGB	rgb(23, 29, 96)
HSL	hsl(235, 61%, 23%)
HSV	hsv(235, 76%, 38%)
CMYK	cmyk(76%, 69.8%, 0%, 62.4%)
CIE-LAB	lab(14.98, 22.76, -40.51)
CIE-LCH	lch(14.98, 46.47, 299.33°)
OKLab	oklab(27.63% 0.0043 -0.1171)
OKLCH	oklch(27.63% 0.117 272.1)
XYZ	xyz(2.9033, 1.9051, 11.2788)
Luminance	0.0191 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#171D60 #605A17

analogous

#174160 #171D60 #351760

triadic

#171D60 #60171D #1D6017

tetradic

#171D60 #601741 #605A17 #176035

square

#171D60 #601741 #605A17 #176035

split-complementary

#171D60 #603517 #416017

monochromatic

#060719 #0B0E2F #171D60 #232C91 #2F3BC3

Accessibility & contrast

On white

15.21

#171D60 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.38

#171D60 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #171D60

15.21:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##171D60	#FFFFFF	#000000	##FFFFFF
##171D60	1.00	15.21	1.38	15.21
#FFFFFF	15.21	1.00	21.00	1.00
#000000	1.38	21.00	1.00	21.00
##FFFFFF	15.21	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002962

Deuteranopia (green-blind)

#00225F

Tritanopia (blue-blind)

#002F3B

Achromatopsia (no color)

#262626

Design tokens & code

CSS

--color: #171d60;
/* rgb */ color: rgb(23, 29, 96);
/* oklch */ color: oklch(27.6% 0.117 272.1);

Tailwind

colors: {
  custom: {
    50: '#60598e',
    500: '#171d60',
    950: '#000000',
  },
}

SCSS

$custom: #171d60;
$custom-light: #60598e;
$custom-dark: #000000;

JSON

{
  "hex": "#171d60",
  "rgb": {
    "r": 23,
    "g": 29,
    "b": 96
  },
  "hsl": {
    "h": 235.068,
    "s": 61.345,
    "l": 23.333
  },
  "oklch": {
    "l": 0.27629,
    "c": 0.11714,
    "h": 272.1
  },
  "luminance": 0.01905
}

Semantic roles & 50–950 ramp

primary

#171D60

secondary

#978F3C

accent

#D743E4

background

#F6F5F8

surface

#EBE9F0

border

#C6C5CB

text

#05030C

muted

#7A787D

Preview Lab

Preview with #171D60

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

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