#172E76#172E76

#172E76 is a dark, vivid blue. Relative luminance 0.034; OKLCH L 33.3% C 0.127 H 266.0°. Best body text is #FFFFFF at 12.43:1 contrast (WCAG AA passes).

Color values

HEX	#172E76
RGB	rgb(23, 46, 118)
HSL	hsl(225, 67%, 28%)
HSV	hsv(225, 81%, 46%)
CMYK	cmyk(80.5%, 61%, 0%, 53.7%)
CIE-LAB	lab(21.74, 19.53, -43.79)
CIE-LCH	lch(21.74, 47.95, 294.04°)
OKLab	oklab(33.26% -0.0088 -0.1265)
OKLCH	oklch(33.26% 0.127 266)
XYZ	xyz(4.5992, 3.4436, 17.5583)
Luminance	0.0344 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#172E76 #765F17

analogous

#175D76 #172E76 #301776

triadic

#172E76 #76172E #2E7617

tetradic

#172E76 #76175D #765F17 #177630

square

#172E76 #76175D #765F17 #177630

split-complementary

#172E76 #763017 #5D7617

monochromatic

#050A1A #0D1A43 #172E76 #2142A9 #3159D7

Accessibility & contrast

On white

12.43

#172E76 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.69

#172E76 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #172E76

12.43:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##172E76	#FFFFFF	#000000	##FFFFFF
##172E76	1.00	12.43	1.69	12.43
#FFFFFF	12.43	1.00	21.00	1.00
#000000	1.69	21.00	1.00	21.00
##FFFFFF	12.43	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003978

Deuteranopia (green-blind)

#003075

Tritanopia (blue-blind)

#00404D

Achromatopsia (no color)

#343434

Design tokens & code

CSS

--color: #172e76;
/* rgb */ color: rgb(23, 46, 118);
/* oklch */ color: oklch(33.3% 0.127 266.0);

Tailwind

colors: {
  custom: {
    50: '#65669e',
    500: '#172e76',
    950: '#000000',
  },
}

SCSS

$custom: #172e76;
$custom-light: #65669e;
$custom-dark: #000000;

JSON

{
  "hex": "#172e76",
  "rgb": {
    "r": 23,
    "g": 46,
    "b": 118
  },
  "hsl": {
    "h": 225.474,
    "s": 67.376,
    "l": 27.647
  },
  "oklch": {
    "l": 0.33262,
    "c": 0.12678,
    "h": 266
  },
  "luminance": 0.03444
}

Semantic roles & 50–950 ramp

primary

#172E76

secondary

#AB913E

accent

#C03EEA

background

#F6F6F9

surface

#EBEBF2

border

#C6C6CC

text

#06050E

muted

#7A7A7E

Preview Lab

Preview with #172E76

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

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