#172B94#172B94

#172B94 is a dark, vivid blue. Relative luminance 0.040; OKLCH L 35.7% C 0.172 H 267.3°. Best body text is #FFFFFF at 11.60:1 contrast (WCAG AA passes).

Color values

HEX	#172B94
RGB	rgb(23, 43, 148)
HSL	hsl(230, 73%, 34%)
HSV	hsv(230, 84%, 58%)
CMYK	cmyk(84.5%, 70.9%, 0%, 42%)
CIE-LAB	lab(23.83, 33.44, -59.19)
CIE-LCH	lch(23.83, 67.98, 299.46°)
OKLab	oklab(35.68% -0.008 -0.1715)
OKLCH	oklch(35.68% 0.172 267.3)
XYZ	xyz(6.5607, 4.0472, 28.4466)
Luminance	0.0405 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#172B94 #948017

analogous

#176994 #172B94 #411794

triadic

#172B94 #94172B #2B9417

tetradic

#172B94 #941769 #948017 #179441

square

#172B94 #941769 #948017 #179441

split-complementary

#172B94 #944117 #699417

monochromatic

#070C2A #0F1C5F #172B94 #1F3AC9 #445DE2

Accessibility & contrast

On white

11.60

#172B94 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.81

#172B94 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #172B94

11.60:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##172B94	#FFFFFF	#000000	##FFFFFF
##172B94	1.00	11.60	1.81	11.60
#FFFFFF	11.60	1.00	21.00	1.00
#000000	1.81	21.00	1.00	21.00
##FFFFFF	11.60	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003F97

Deuteranopia (green-blind)

#003392

Tritanopia (blue-blind)

#00485C

Achromatopsia (no color)

#393939

Design tokens & code

CSS

--color: #172b94;
/* rgb */ color: rgb(23, 43, 148);
/* oklch */ color: oklch(35.7% 0.172 267.3);

Tailwind

colors: {
  custom: {
    50: '#6d64b5',
    500: '#172b94',
    950: '#000000',
  },
}

SCSS

$custom: #172b94;
$custom-light: #6d64b5;
$custom-dark: #000000;

JSON

{
  "hex": "#172b94",
  "rgb": {
    "r": 23,
    "g": 43,
    "b": 148
  },
  "hsl": {
    "h": 230.4,
    "s": 73.099,
    "l": 33.529
  },
  "oklch": {
    "l": 0.35676,
    "c": 0.17173,
    "h": 267.3
  },
  "luminance": 0.04048
}

Semantic roles & 50–950 ramp

primary

#172B94

secondary

#C3AE44

accent

#D238F0

background

#F7F6FB

surface

#EDEBF6

border

#C8C6D0

text

#080511

muted

#7B7A80

Preview Lab

Preview with #172B94

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

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