#172C62#172C62

#172C62 is a dark, moderate blue. Relative luminance 0.029; OKLCH L 31.1% C 0.100 H 265.1°. Best body text is #FFFFFF at 13.35:1 contrast (WCAG AA passes).

Color values

HEX	#172C62
RGB	rgb(23, 44, 98)
HSL	hsl(223, 62%, 24%)
HSV	hsv(223, 77%, 38%)
CMYK	cmyk(76.5%, 55.1%, 0%, 61.6%)
CIE-LAB	lab(19.49, 12.68, -34.49)
CIE-LCH	lch(19.49, 36.75, 290.19°)
OKLab	oklab(31.05% -0.0085 -0.0992)
OKLCH	oklch(31.05% 0.1 265.1)
XYZ	xyz(3.4579, 2.8650, 11.9237)
Luminance	0.0286 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#172C62 #624D17

analogous

#175162 #172C62 #271762

triadic

#172C62 #62172C #2C6217

tetradic

#172C62 #621751 #624D17 #176227

square

#172C62 #621751 #624D17 #176227

split-complementary

#172C62 #622717 #516217

monochromatic

#060B19 #0B1630 #172C62 #234294 #2E59C5

Accessibility & contrast

On white

13.35

#172C62 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.57

#172C62 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #172C62

13.35:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##172C62	#FFFFFF	#000000	##FFFFFF
##172C62	1.00	13.35	1.57	13.35
#FFFFFF	13.35	1.00	21.00	1.00
#000000	1.57	21.00	1.00	21.00
##FFFFFF	13.35	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#093364

Deuteranopia (green-blind)

#002C61

Tritanopia (blue-blind)

#003942

Achromatopsia (no color)

#2F2F2F

Design tokens & code

CSS

--color: #172c62;
/* rgb */ color: rgb(23, 44, 98);
/* oklch */ color: oklch(31.1% 0.100 265.1);

Tailwind

colors: {
  custom: {
    50: '#60648f',
    500: '#172c62',
    950: '#000000',
  },
}

SCSS

$custom: #172c62;
$custom-light: #60648f;
$custom-dark: #000000;

JSON

{
  "hex": "#172c62",
  "rgb": {
    "r": 23,
    "g": 44,
    "b": 98
  },
  "hsl": {
    "h": 223.2,
    "s": 61.983,
    "l": 23.725
  },
  "oklch": {
    "l": 0.3105,
    "c": 0.09953,
    "h": 265.1
  },
  "luminance": 0.02865
}

Semantic roles & 50–950 ramp

primary

#172C62

secondary

#997F3C

accent

#B843E5

background

#F5F5F8

surface

#EAEAF0

border

#C6C6CB

text

#05050C

muted

#79797D

Preview Lab

Preview with #172C62

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

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