#172344
Closest named color: Oxford Blue (#1B263B). oklch(26.5% 0.064 267), rgb(23, 35, 68).
Aa
White text reads best on this color (15.43:1).
About this color
#172344 is a dark, muted blue. In OKLCH its lightness is 26%, its chroma 0.064 and its hue 267°. Its hue sits on the cool side of the wheel. The nearest named color is Oxford Blue (#1B263B), ΔE 0.022 away. White text reads best on it, at 15.43:1.
| Hue family | Blues |
| Lightness | dark (26%) |
| Chroma | muted (0.064) |
| Temperature | cool |
| Nearest name | Oxford Blue (#1B263B) |
| Black text | 1.36:1 |
| White text | 15.43:1 |
Values
| HEX | #172344 |
| RGB | rgb(23, 35, 68) |
| HSL | hsl(224, 49%, 18%) |
| OKLCH | oklch(26.5% 0.064 267) |
Contrast
WCAG 2 contrast ratios are the conformance target: AA needs 4.5:1 for body text and 3:1 for large text, AAA needs 7:1. APCA Lc values are supplementary guidance from the WCAG 3 drafts.
| Pair | WCAG 2 | Result | APCA | APCA guidance |
|---|---|---|---|---|
| White text on #172344 | 15.43:1 | AAA | Lc -105.0 | Preferred for body text |
| Black text on #172344 | 1.36:1 | Fails | Lc 0.0 | Not readable |
| #172344 text on white | 15.43:1 | AAA | Lc 102.2 | Preferred for body text |
| #172344 text on black | 1.36:1 | Fails | Lc 0.0 | Not readable |
Tints and shades
A 50–950 scale built in OKLCH: the hue is held, lightness follows a Tailwind v4-like curve, and every step is kept inside the sRGB gamut. This color sits at step 950.
-
Step 50
50
#F2F5FD
oklch(97% 0.011 269.6)
-
Step 100
100
#E3EAF9
oklch(93.6% 0.022 265.8)
-
Step 200
200
#CDD9F6
oklch(88.5% 0.042 267.7)
-
Step 300
300
#ABC0F3
oklch(81% 0.076 267.3)
-
Step 400
400
#7E9EEC
oklch(70.8% 0.12 266.4)
-
Step 500
500
#5F83E6
oklch(63.1% 0.154 266.9)
-
Step 600
600
#476AD5
oklch(55.6% 0.169 267.1)
-
Step 700
700
#3958B8
oklch(49.1% 0.156 267)
-
Step 800
800
#2F4895
oklch(42.6% 0.13 267.2)
-
Step 900
900
#293D77
oklch(37.6% 0.102 267.1)
-
Step 950
950 (this color)
#172344
oklch(26.5% 0.064 267)
#172344 with color blindness
Simulated with the Machado et al. (2009) model. ΔE is how far the color moves: below about 0.02 you would not notice a change.
| Vision | Seen as | Shift (ΔE) |
|---|---|---|
| Protanopia (no red cones) | #142745 | 0.013 |
| Deuteranopia (no green cones) | #0E2343 | 0.011 |
| Tritanopia (no blue cones) | #002A30 | 0.055 |
| Achromatopsia (no color) | #242424 | 0.064 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #172344
#172344
oklch(26.5% 0.064 267)
- #302300
#302300
oklch(26.4% 0.054 87.8)
Analogous
Neighbouring hues, 30° either side.
Split complementary
The two hues beside the complement (150° and 210°).
Triadic
Three hues spaced 120° apart.
Palettes with this color
Curated palettes that contain a color within ΔE 0.04 (OKLab) of #172344, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Oxford Blue #1B263B ΔE 0.022
- Dark #1B2431 ΔE 0.037
- Space Cadet #2B2D42 ΔE 0.049
- Jet #212529 ΔE 0.055
- Rich Black #0D1B2A ΔE 0.056
- Marine #042E60 ΔE 0.057
- Gunmetal #293241 ΔE 0.061
- Prussian Blue #1D3557 ΔE 0.064
Use #172344 in your product
Turn it into light and dark UI roles checked for contrast, then export to Tailwind v4, shadcn/ui, CSS or design tokens.