#171E76#171E76

#171E76 is a dark, vivid blue. Relative luminance 0.024; OKLCH L 30.2% C 0.147 H 270.4°. Best body text is #FFFFFF at 14.15:1 contrast (WCAG AA passes).

Color values

HEX	#171E76
RGB	rgb(23, 30, 118)
HSL	hsl(236, 67%, 28%)
HSV	hsv(236, 81%, 46%)
CMYK	cmyk(80.5%, 74.6%, 0%, 53.7%)
CIE-LAB	lab(17.55, 30.57, -50.67)
CIE-LCH	lch(17.55, 59.18, 301.10°)
OKLab	oklab(30.18% 0.0011 -0.1467)
OKLCH	oklch(30.18% 0.147 270.4)
XYZ	xyz(4.0865, 2.4183, 17.3874)
Luminance	0.0242 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#171E76 #766F17

analogous

#174D76 #171E76 #3F1776

triadic

#171E76 #76171E #1E7617

tetradic

#171E76 #76174D #766F17 #17763F

square

#171E76 #76174D #766F17 #17763F

split-complementary

#171E76 #763F17 #4D7617

monochromatic

#05071A #0D1143 #171E76 #212BA9 #313DD7

Accessibility & contrast

On white

14.15

#171E76 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.48

#171E76 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #171E76

14.15:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##171E76	#FFFFFF	#000000	##FFFFFF
##171E76	1.00	14.15	1.48	14.15
#FFFFFF	14.15	1.00	21.00	1.00
#000000	1.48	21.00	1.00	21.00
##FFFFFF	14.15	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003079

Deuteranopia (green-blind)

#002674

Tritanopia (blue-blind)

#003748

Achromatopsia (no color)

#2B2B2B

Design tokens & code

CSS

--color: #171e76;
/* rgb */ color: rgb(23, 30, 118);
/* oklch */ color: oklch(30.2% 0.147 270.4);

Tailwind

colors: {
  custom: {
    50: '#665a9e',
    500: '#171e76',
    950: '#000000',
  },
}

SCSS

$custom: #171e76;
$custom-light: #665a9e;
$custom-dark: #000000;

JSON

{
  "hex": "#171e76",
  "rgb": {
    "r": 23,
    "g": 30,
    "b": 118
  },
  "hsl": {
    "h": 235.579,
    "s": 67.376,
    "l": 27.647
  },
  "oklch": {
    "l": 0.30184,
    "c": 0.14672,
    "h": 270.4
  },
  "luminance": 0.02419
}

Semantic roles & 50–950 ramp

primary

#171E76

secondary

#ABA33E

accent

#DE3EEA

background

#F6F5F9

surface

#EBE9F2

border

#C6C5CC

text

#07040F

muted

#7A797E

Preview Lab

Preview with #171E76

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

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