#171E84#171E84

#171E84 is a dark, vivid blue. Relative luminance 0.028; OKLCH L 31.8% C 0.165 H 269.6°. Best body text is #FFFFFF at 13.50:1 contrast (WCAG AA passes).

Color values

HEX	#171E84
RGB	rgb(23, 30, 132)
HSL	hsl(236, 70%, 30%)
HSV	hsv(236, 83%, 52%)
CMYK	cmyk(82.6%, 77.3%, 0%, 48.2%)
CIE-LAB	lab(19.12, 35.71, -56.98)
CIE-LCH	lch(19.12, 67.24, 302.08°)
OKLab	oklab(31.78% -0.0011 -0.1651)
OKLCH	oklch(31.78% 0.165 269.6)
XYZ	xyz(4.9811, 2.7761, 22.0986)
Luminance	0.0278 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#171E84 #847D17

analogous

#175484 #171E84 #461784

triadic

#171E84 #84171E #1E8417

tetradic

#171E84 #841754 #847D17 #178446

square

#171E84 #841754 #847D17 #178446

split-complementary

#171E84 #844617 #548417

monochromatic

#05061C #0E1250 #171E84 #202AB8 #3943DC

Accessibility & contrast

On white

13.50

#171E84 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.56

#171E84 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #171E84

13.50:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##171E84	#FFFFFF	#000000	##FFFFFF
##171E84	1.00	13.50	1.56	13.50
#FFFFFF	13.50	1.00	21.00	1.00
#000000	1.56	21.00	1.00	21.00
##FFFFFF	13.50	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003487

Deuteranopia (green-blind)

#002982

Tritanopia (blue-blind)

#003C4F

Achromatopsia (no color)

#2E2E2E

Design tokens & code

CSS

--color: #171e84;
/* rgb */ color: rgb(23, 30, 132);
/* oklch */ color: oklch(31.8% 0.165 269.6);

Tailwind

colors: {
  custom: {
    50: '#6a5ba9',
    500: '#171e84',
    950: '#000000',
  },
}

SCSS

$custom: #171e84;
$custom-light: #6a5ba9;
$custom-dark: #000000;

JSON

{
  "hex": "#171e84",
  "rgb": {
    "r": 23,
    "g": 30,
    "b": 132
  },
  "hsl": {
    "h": 236.147,
    "s": 70.323,
    "l": 30.392
  },
  "oklch": {
    "l": 0.3178,
    "c": 0.16506,
    "h": 269.6
  },
  "luminance": 0.02777
}

Semantic roles & 50–950 ramp

primary

#171E84

secondary

#B8B03F

accent

#E23BED

background

#F7F5FA

surface

#EDE9F4

border

#C8C5CE

text

#080410

muted

#7B797F

Preview Lab

Preview with #171E84

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

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