#171E65#171E65

#171E65 is a dark, vivid blue. Relative luminance 0.021; OKLCH L 28.3% C 0.123 H 271.4°. Best body text is #FFFFFF at 14.89:1 contrast (WCAG AA passes).

Color values

HEX	#171E65
RGB	rgb(23, 30, 101)
HSL	hsl(235, 63%, 24%)
HSV	hsv(235, 77%, 40%)
CMYK	cmyk(77.2%, 70.3%, 0%, 60.4%)
CIE-LAB	lab(15.75, 24.03, -42.56)
CIE-LCH	lch(15.75, 48.88, 299.45°)
OKLab	oklab(28.34% 0.0031 -0.1231)
OKLCH	oklch(28.34% 0.123 271.4)
XYZ	xyz(3.1658, 2.0500, 12.5382)
Luminance	0.0205 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#171E65 #655E17

analogous

#174565 #171E65 #371765

triadic

#171E65 #65171E #1E6517

tetradic

#171E65 #651745 #655E17 #176537

square

#171E65 #651745 #655E17 #176537

split-complementary

#171E65 #653717 #456517

monochromatic

#060719 #0C0F33 #171E65 #222D97 #2E3CC9

Accessibility & contrast

On white

14.89

#171E65 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.41

#171E65 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #171E65

14.89:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##171E65	#FFFFFF	#000000	##FFFFFF
##171E65	1.00	14.89	1.41	14.89
#FFFFFF	14.89	1.00	21.00	1.00
#000000	1.41	21.00	1.00	21.00
##FFFFFF	14.89	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002B67

Deuteranopia (green-blind)

#002464

Tritanopia (blue-blind)

#00313E

Achromatopsia (no color)

#272727

Design tokens & code

CSS

--color: #171e65;
/* rgb */ color: rgb(23, 30, 101);
/* oklch */ color: oklch(28.3% 0.123 271.4);

Tailwind

colors: {
  custom: {
    50: '#625a92',
    500: '#171e65',
    950: '#000000',
  },
}

SCSS

$custom: #171e65;
$custom-light: #625a92;
$custom-dark: #000000;

JSON

{
  "hex": "#171e65",
  "rgb": {
    "r": 23,
    "g": 30,
    "b": 101
  },
  "hsl": {
    "h": 234.615,
    "s": 62.903,
    "l": 24.314
  },
  "oklch": {
    "l": 0.28342,
    "c": 0.12311,
    "h": 271.4
  },
  "luminance": 0.0205
}

Semantic roles & 50–950 ramp

primary

#171E65

secondary

#9B933C

accent

#D742E6

background

#F6F5F9

surface

#EBE9F1

border

#C6C5CB

text

#06030D

muted

#7A787E

Preview Lab

Preview with #171E65

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

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