#17123F
Closest named color: Navy Blue (#001146). oklch(22.1% 0.082 282.3), rgb(23, 18, 63).
Aa
White text reads best on this color (17.57:1).
About this color
#17123F is a very dark, moderately saturated purple. In OKLCH its lightness is 22%, its chroma 0.082 and its hue 282°. Its hue sits on the cool side of the wheel. The nearest named color is Navy Blue (#001146), ΔE 0.039 away. White text reads best on it, at 17.57:1.
| Hue family | Purples |
| Lightness | very dark (22%) |
| Chroma | moderately saturated (0.082) |
| Temperature | cool |
| Nearest name | Navy Blue (#001146) |
| Black text | 1.19:1 |
| White text | 17.57:1 |
Values
| HEX | #17123F |
| RGB | rgb(23, 18, 63) |
| HSL | hsl(247, 56%, 16%) |
| OKLCH | oklch(22.1% 0.082 282.3) |
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 #17123F | 17.57:1 | AAA | Lc -106.5 | Preferred for body text |
| Black text on #17123F | 1.19:1 | Fails | Lc 0.0 | Not readable |
| #17123F text on white | 17.57:1 | AAA | Lc 104.2 | Preferred for body text |
| #17123F text on black | 1.19:1 | 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
#F4F5FE
oklch(97.2% 0.012 281.1)
-
Step 100
100
#E6E8FD
oklch(93.6% 0.028 281.5)
-
Step 200
200
#D3D5FD
oklch(88.4% 0.055 283)
-
Step 300
300
#B7B9FE
oklch(80.9% 0.097 282.7)
-
Step 400
400
#9392FE
oklch(70.8% 0.155 282.1)
-
Step 500
500
#7C72FC
oklch(63.2% 0.199 282.4)
-
Step 600
600
#6755EB
oklch(55.6% 0.216 282.2)
-
Step 700
700
#5744CD
oklch(49.2% 0.202 282.4)
-
Step 800
800
#4639A5
oklch(42.6% 0.166 282.2)
-
Step 900
900
#3A3383
oklch(37.7% 0.13 282.2)
-
Step 950
950 (this color)
#17123F
oklch(22.1% 0.082 282.3)
#17123F 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) | #001B40 | 0.037 |
| Deuteranopia (no green cones) | #00173E | 0.034 |
| Tritanopia (no blue cones) | #051D26 | 0.070 |
| Achromatopsia (no color) | #191919 | 0.083 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #17123F
#17123F
oklch(22.1% 0.082 282.3)
- #1F1B00
#1F1B00
oklch(22% 0.046 101.8)
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 #17123F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Navy Blue #001146 ΔE 0.039
- Dark Indigo #1F0954 ΔE 0.044
- Night Blue #040348 ΔE 0.054
- Midnight Purple #280137 ΔE 0.055
- Rich Black #0D1B2A ΔE 0.055
- Very Dark Purple #2A0134 ΔE 0.060
- Oxford Blue #1B263B ΔE 0.066
- Dark Navy #000435 ΔE 0.069
Use #17123F 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.