#17232A
Closest named color: Dark (#1B2431). oklch(24.8% 0.021 234.4), rgb(23, 35, 42).
Aa
White text reads best on this color (16.02:1).
About this color
#17232A is a very dark close to neutral grey. In OKLCH its lightness is 25%, its chroma 0.021. It has too little chroma to lean warm or cool. The nearest named color is Dark (#1B2431), ΔE 0.015 away. White text reads best on it, at 16.02:1.
| Hue family | Neutrals |
| Lightness | very dark (25%) |
| Chroma | close to neutral grey (0.021) |
| Temperature | neutral |
| Nearest name | Dark (#1B2431) |
| Black text | 1.31:1 |
| White text | 16.02:1 |
Values
| HEX | #17232A |
| RGB | rgb(23, 35, 42) |
| HSL | hsl(202, 29%, 13%) |
| OKLCH | oklch(24.8% 0.021 234.4) |
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 #17232A | 16.02:1 | AAA | Lc -105.5 | Preferred for body text |
| Black text on #17232A | 1.31:1 | Fails | Lc 0.0 | Not readable |
| #17232A text on white | 16.02:1 | AAA | Lc 103.0 | Preferred for body text |
| #17232A text on black | 1.31:1 | 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
#F3F6F7
oklch(97.1% 0.003 219.5)
-
Step 100
100
#E5EBEE
oklch(93.6% 0.008 228.9)
-
Step 200
200
#D1DBE1
oklch(88.6% 0.014 233.8)
-
Step 300
300
#B1C4CF
oklch(80.9% 0.026 233.1)
-
Step 400
400
#89A5B6
oklch(70.6% 0.04 234.8)
-
Step 500
500
#6B8FA4
oklch(63.1% 0.051 234.2)
-
Step 600
600
#527990
oklch(55.6% 0.057 235.1)
-
Step 700
700
#42667A
oklch(49.1% 0.052 233.6)
-
Step 800
800
#375363
oklch(42.7% 0.043 234.2)
-
Step 900
900
#304551
oklch(37.8% 0.033 233.9)
-
Step 950
950 (this color)
#17232A
oklch(24.8% 0.021 234.4)
#17232A 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) | #20232A | 0.015 |
| Deuteranopia (no green cones) | #1D202A | 0.014 |
| Tritanopia (no blue cones) | #102525 | 0.017 |
| Achromatopsia (no color) | #212121 | 0.021 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #17232A
#17232A
oklch(24.8% 0.021 234.4)
- #291F17
#291F17
oklch(24.9% 0.021 60.3)
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 #17232A, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark #1B2431 ΔE 0.015
- Jet #212529 ΔE 0.019
- Oxford Blue #1B263B ΔE 0.033
- Rich Black #0D1B2A ΔE 0.035
- Space Cadet #2B2D42 ΔE 0.063
- Gunmetal #293241 ΔE 0.069
- Dark Brown #341C02 ΔE 0.075
- Rich Navy #001219 ΔE 0.080
Use #17232A 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.