#172E6B#172E6B

#172E6B is a dark, moderate blue. Relative luminance 0.032; OKLCH L 32.3% C 0.111 H 265.1°. Best body text is #FFFFFF at 12.81:1 contrast (WCAG AA passes).

Color values

HEX	#172E6B
RGB	rgb(23, 46, 107)
HSL	hsl(224, 65%, 25%)
HSV	hsv(224, 79%, 42%)
CMYK	cmyk(78.5%, 57%, 0%, 58%)
CIE-LAB	lab(20.82, 14.98, -38.22)
CIE-LCH	lch(20.82, 41.05, 291.41°)
OKLab	oklab(32.28% -0.0094 -0.1101)
OKLCH	oklch(32.28% 0.111 265.1)
XYZ	xyz(3.9833, 3.1972, 14.3143)
Luminance	0.0320 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#172E6B #6B5417

analogous

#17586B #172E6B #2A176B

triadic

#172E6B #6B172E #2E6B17

tetradic

#172E6B #6B1758 #6B5417 #176B2A

square

#172E6B #6B1758 #6B5417 #176B2A

split-complementary

#172E6B #6B2A17 #586B17

monochromatic

#050B19 #0C1839 #172E6B #22449D #2D59D0

Accessibility & contrast

On white

12.81

#172E6B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.64

#172E6B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #172E6B

12.81:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##172E6B	#FFFFFF	#000000	##FFFFFF
##172E6B	1.00	12.81	1.64	12.81
#FFFFFF	12.81	1.00	21.00	1.00
#000000	1.64	21.00	1.00	21.00
##FFFFFF	12.81	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00366D

Deuteranopia (green-blind)

#002E6A

Tritanopia (blue-blind)

#003D47

Achromatopsia (no color)

#323232

Design tokens & code

CSS

--color: #172e6b;
/* rgb */ color: rgb(23, 46, 107);
/* oklch */ color: oklch(32.3% 0.111 265.1);

Tailwind

colors: {
  custom: {
    50: '#626696',
    500: '#172e6b',
    950: '#000000',
  },
}

SCSS

$custom: #172e6b;
$custom-light: #626696;
$custom-dark: #000000;

JSON

{
  "hex": "#172e6b",
  "rgb": {
    "r": 23,
    "g": 46,
    "b": 107
  },
  "hsl": {
    "h": 223.571,
    "s": 64.615,
    "l": 25.49
  },
  "oklch": {
    "l": 0.32279,
    "c": 0.1105,
    "h": 265.1
  },
  "luminance": 0.03198
}

Semantic roles & 50–950 ramp

primary

#172E6B

secondary

#A1863D

accent

#BA40E8

background

#F6F6F9

surface

#EBEBF2

border

#C6C6CC

text

#06050D

muted

#7A7A7E

Preview Lab

Preview with #172E6B

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

Preview Lab → · Contrast checker → · Palette generator →