#172A6E#172A6E

#172A6E is a dark, vivid blue. Relative luminance 0.030; OKLCH L 31.7% C 0.120 H 267.1°. Best body text is #FFFFFF at 13.18:1 contrast (WCAG AA passes).

Color values

HEX	#172A6E
RGB	rgb(23, 42, 110)
HSL	hsl(227, 65%, 26%)
HSV	hsv(227, 79%, 43%)
CMYK	cmyk(79.1%, 61.8%, 0%, 56.9%)
CIE-LAB	lab(19.90, 19.12, -41.66)
CIE-LCH	lch(19.90, 45.83, 294.65°)
OKLab	oklab(31.67% -0.006 -0.1203)
OKLCH	oklch(31.67% 0.12 267.1)
XYZ	xyz(3.9948, 2.9634, 15.1103)
Luminance	0.0296 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#172A6E #6E5B17

analogous

#17556E #172A6E #2F176E

triadic

#172A6E #6E172A #2A6E17

tetradic

#172A6E #6E1755 #6E5B17 #176E2F

square

#172A6E #6E1755 #6E5B17 #176E2F

split-complementary

#172A6E #6E2F17 #556E17

monochromatic

#050A19 #0C173B #172A6E #223DA1 #2C51D3

Accessibility & contrast

On white

13.18

#172A6E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.59

#172A6E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #172A6E

13.18:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##172A6E	#FFFFFF	#000000	##FFFFFF
##172A6E	1.00	13.18	1.59	13.18
#FFFFFF	13.18	1.00	21.00	1.00
#000000	1.59	21.00	1.00	21.00
##FFFFFF	13.18	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003470

Deuteranopia (green-blind)

#002C6D

Tritanopia (blue-blind)

#003B47

Achromatopsia (no color)

#303030

Design tokens & code

CSS

--color: #172a6e;
/* rgb */ color: rgb(23, 42, 110);
/* oklch */ color: oklch(31.7% 0.120 267.1);

Tailwind

colors: {
  custom: {
    50: '#636398',
    500: '#172a6e',
    950: '#000000',
  },
}

SCSS

$custom: #172a6e;
$custom-light: #636398;
$custom-dark: #000000;

JSON

{
  "hex": "#172a6e",
  "rgb": {
    "r": 23,
    "g": 42,
    "b": 110
  },
  "hsl": {
    "h": 226.897,
    "s": 65.414,
    "l": 26.078
  },
  "oklch": {
    "l": 0.31667,
    "c": 0.12042,
    "h": 267.1
  },
  "luminance": 0.02964
}

Semantic roles & 50–950 ramp

primary

#172A6E

secondary

#A48D3D

accent

#C33FE8

background

#F6F5F9

surface

#EBEAF2

border

#C6C6CC

text

#06050E

muted

#7A797E

Preview Lab

Preview with #172A6E

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

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