#172E70#172E70

#172E70 is a dark, moderate blue. Relative luminance 0.033; OKLCH L 32.7% C 0.118 H 265.6°. Best body text is #FFFFFF at 12.64:1 contrast (WCAG AA passes).

Color values

HEX	#172E70
RGB	rgb(23, 46, 112)
HSL	hsl(224, 66%, 26%)
HSV	hsv(224, 79%, 44%)
CMYK	cmyk(79.5%, 58.9%, 0%, 56.1%)
CIE-LAB	lab(21.23, 17.06, -40.78)
CIE-LCH	lch(21.23, 44.20, 292.70°)
OKLab	oklab(32.72% -0.009 -0.1176)
OKLCH	oklch(32.72% 0.118 265.6)
XYZ	xyz(4.2539, 3.3055, 15.7399)
Luminance	0.0331 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#172E70 #705917

analogous

#175B70 #172E70 #2D1770

triadic

#172E70 #70172E #2E7017

tetradic

#172E70 #70175B #705917 #17702D

square

#172E70 #70175B #705917 #17702D

split-complementary

#172E70 #702D17 #5B7017

monochromatic

#050A19 #0D193D #172E70 #2143A3 #2D58D4

Accessibility & contrast

On white

12.64

#172E70 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.66

#172E70 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #172E70

12.64:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##172E70	#FFFFFF	#000000	##FFFFFF
##172E70	1.00	12.64	1.66	12.64
#FFFFFF	12.64	1.00	21.00	1.00
#000000	1.66	21.00	1.00	21.00
##FFFFFF	12.64	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003772

Deuteranopia (green-blind)

#002F6F

Tritanopia (blue-blind)

#003E4A

Achromatopsia (no color)

#333333

Design tokens & code

CSS

--color: #172e70;
/* rgb */ color: rgb(23, 46, 112);
/* oklch */ color: oklch(32.7% 0.118 265.6);

Tailwind

colors: {
  custom: {
    50: '#63669a',
    500: '#172e70',
    950: '#000000',
  },
}

SCSS

$custom: #172e70;
$custom-light: #63669a;
$custom-dark: #000000;

JSON

{
  "hex": "#172e70",
  "rgb": {
    "r": 23,
    "g": 46,
    "b": 112
  },
  "hsl": {
    "h": 224.494,
    "s": 65.926,
    "l": 26.471
  },
  "oklch": {
    "l": 0.32718,
    "c": 0.11798,
    "h": 265.6
  },
  "luminance": 0.03306
}

Semantic roles & 50–950 ramp

primary

#172E70

secondary

#A68B3D

accent

#BD3FE9

background

#F6F6F9

surface

#EBEBF2

border

#C6C6CC

text

#06050E

muted

#7A7A7E

Preview Lab

Preview with #172E70

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

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