#171E60#171E60

#171E60 is a dark, moderate blue. Relative luminance 0.020; OKLCH L 27.8% C 0.116 H 271.7°. Best body text is #FFFFFF at 15.10:1 contrast (WCAG AA passes).

Color values

HEX	#171E60
RGB	rgb(23, 30, 96)
HSL	hsl(234, 61%, 23%)
HSV	hsv(234, 76%, 38%)
CMYK	cmyk(76%, 68.7%, 0%, 62.4%)
CIE-LAB	lab(15.25, 22.05, -40.07)
CIE-LCH	lch(15.25, 45.74, 298.82°)
OKLab	oklab(27.83% 0.0035 -0.1158)
OKLCH	oklch(27.83% 0.116 271.7)
XYZ	xyz(2.9282, 1.9549, 11.2871)
Luminance	0.0196 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#171E60 #605917

analogous

#174260 #171E60 #341760

triadic

#171E60 #60171E #1E6017

tetradic

#171E60 #601742 #605917 #176034

square

#171E60 #601742 #605917 #176034

split-complementary

#171E60 #603417 #426017

monochromatic

#060819 #0B0F2F #171E60 #232D91 #2F3DC3

Accessibility & contrast

On white

15.10

#171E60 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.39

#171E60 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #171E60

15.10:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##171E60	#FFFFFF	#000000	##FFFFFF
##171E60	1.00	15.10	1.39	15.10
#FFFFFF	15.10	1.00	21.00	1.00
#000000	1.39	21.00	1.00	21.00
##FFFFFF	15.10	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002A62

Deuteranopia (green-blind)

#00235F

Tritanopia (blue-blind)

#002F3C

Achromatopsia (no color)

#262626

Design tokens & code

CSS

--color: #171e60;
/* rgb */ color: rgb(23, 30, 96);
/* oklch */ color: oklch(27.8% 0.116 271.7);

Tailwind

colors: {
  custom: {
    50: '#60598e',
    500: '#171e60',
    950: '#000000',
  },
}

SCSS

$custom: #171e60;
$custom-light: #60598e;
$custom-dark: #000000;

JSON

{
  "hex": "#171e60",
  "rgb": {
    "r": 23,
    "g": 30,
    "b": 96
  },
  "hsl": {
    "h": 234.247,
    "s": 61.345,
    "l": 23.333
  },
  "oklch": {
    "l": 0.27825,
    "c": 0.11582,
    "h": 271.7
  },
  "luminance": 0.01955
}

Semantic roles & 50–950 ramp

primary

#171E60

secondary

#978E3C

accent

#D543E4

background

#F6F5F8

surface

#EBE9F0

border

#C6C5CB

text

#05030C

muted

#7A787D

Preview Lab

Preview with #171E60

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

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