#172B6E#172B6E

#172B6E is a dark, moderate blue. Relative luminance 0.030; OKLCH L 31.9% C 0.119 H 266.7°. Best body text is #FFFFFF at 13.07:1 contrast (WCAG AA passes).

Color values

HEX	#172B6E
RGB	rgb(23, 43, 110)
HSL	hsl(226, 65%, 26%)
HSV	hsv(226, 79%, 43%)
CMYK	cmyk(79.1%, 60.9%, 0%, 56.9%)
CIE-LAB	lab(20.18, 18.39, -41.19)
CIE-LCH	lch(20.18, 45.11, 294.06°)
OKLab	oklab(31.88% -0.0068 -0.1189)
OKLCH	oklch(31.88% 0.119 266.7)
XYZ	xyz(4.0307, 3.0353, 15.1223)
Luminance	0.0304 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#172B6E #6E5A17

analogous

#17566E #172B6E #2E176E

triadic

#172B6E #6E172B #2B6E17

tetradic

#172B6E #6E1756 #6E5A17 #176E2E

square

#172B6E #6E1756 #6E5A17 #176E2E

split-complementary

#172B6E #6E2E17 #566E17

monochromatic

#050A19 #0C173B #172B6E #223FA1 #2C53D3

Accessibility & contrast

On white

13.07

#172B6E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.61

#172B6E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #172B6E

13.07:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##172B6E	#FFFFFF	#000000	##FFFFFF
##172B6E	1.00	13.07	1.61	13.07
#FFFFFF	13.07	1.00	21.00	1.00
#000000	1.61	21.00	1.00	21.00
##FFFFFF	13.07	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003570

Deuteranopia (green-blind)

#002D6D

Tritanopia (blue-blind)

#003C48

Achromatopsia (no color)

#313131

Design tokens & code

CSS

--color: #172b6e;
/* rgb */ color: rgb(23, 43, 110);
/* oklch */ color: oklch(31.9% 0.119 266.7);

Tailwind

colors: {
  custom: {
    50: '#636398',
    500: '#172b6e',
    950: '#000000',
  },
}

SCSS

$custom: #172b6e;
$custom-light: #636398;
$custom-dark: #000000;

JSON

{
  "hex": "#172b6e",
  "rgb": {
    "r": 23,
    "g": 43,
    "b": 110
  },
  "hsl": {
    "h": 226.207,
    "s": 65.414,
    "l": 26.078
  },
  "oklch": {
    "l": 0.31882,
    "c": 0.11907,
    "h": 266.7
  },
  "luminance": 0.03036
}

Semantic roles & 50–950 ramp

primary

#172B6E

secondary

#A48C3D

accent

#C23FE8

background

#F6F5F9

surface

#EBEAF2

border

#C6C6CC

text

#06050E

muted

#7A797E

Preview Lab

Preview with #172B6E

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

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