#23312F
Closest named color: Gunmetal (#293241). oklch(30% 0.019 185.4), rgb(35, 49, 47).
Aa
White text reads best on this color (13.53:1).
About this color
#23312F is a dark close to neutral grey. In OKLCH its lightness is 30%, its chroma 0.019. It has too little chroma to lean warm or cool. The nearest named color is Gunmetal (#293241), ΔE 0.035 away. White text reads best on it, at 13.53:1.
| Hue family | Neutrals |
| Lightness | dark (30%) |
| Chroma | close to neutral grey (0.019) |
| Temperature | neutral |
| Nearest name | Gunmetal (#293241) |
| Black text | 1.55:1 |
| White text | 13.53:1 |
Values
| HEX | #23312F |
| RGB | rgb(35, 49, 47) |
| HSL | hsl(171, 17%, 16%) |
| OKLCH | oklch(30% 0.019 185.4) |
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 #23312F | 13.53:1 | AAA | Lc -103.1 | Preferred for body text |
| Black text on #23312F | 1.55:1 | Fails | Lc 0.0 | Not readable |
| #23312F text on white | 13.53:1 | AAA | Lc 100.0 | Preferred for body text |
| #23312F text on black | 1.55:1 | 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
#F3F6F6
oklch(97.1% 0.003 197.1)
-
Step 100
100
#E5EBEA
oklch(93.5% 0.007 185.3)
-
Step 200
200
#D0DCDA
oklch(88.5% 0.013 185.1)
-
Step 300
300
#B1C6C2
oklch(81% 0.024 183)
-
Step 400
400
#88A8A4
oklch(70.6% 0.036 187.1)
-
Step 500
500
#6A938D
oklch(63.1% 0.046 184.9)
-
Step 600
600
#507D77
oklch(55.5% 0.05 185.3)
-
Step 700
700
#416A64
oklch(49.2% 0.047 184.1)
-
Step 800
800
#365652
oklch(42.7% 0.038 186)
-
Step 900
900
#2F4744
oklch(37.7% 0.03 186.3)
-
Step 950
950 (this color)
#23312F
oklch(30% 0.019 185.4)
#23312F 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) | #302F2F | 0.021 |
| Deuteranopia (no green cones) | #2D2D2F | 0.020 |
| Tritanopia (no blue cones) | #1F3230 | 0.006 |
| Achromatopsia (no color) | #2E2E2E | 0.019 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #23312F
#23312F
oklch(30% 0.019 185.4)
- #362A2C
#362A2C
oklch(29.9% 0.018 7)
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 #23312F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Gunmetal #293241 ΔE 0.035
- Jet #212529 ΔE 0.041
- Space Cadet #2B2D42 ΔE 0.044
- Pakistan Green #283618 ΔE 0.047
- Onyx #343A40 ΔE 0.049
- Dark #1B2431 ΔE 0.051
- Oxford Blue #1B263B ΔE 0.052
- Midnight Green #073B4C ΔE 0.054
Use #23312F 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.