#23353F
Closest named color: Gunmetal (#293241). oklch(31.8% 0.029 233.2), rgb(35, 53, 63).
Aa
White text reads best on this color (12.70:1).
About this color
#23353F is a dark close to neutral grey. In OKLCH its lightness is 32%, its chroma 0.029. It has too little chroma to lean warm or cool. The nearest named color is Gunmetal (#293241), ΔE 0.014 away. White text reads best on it, at 12.70:1.
| Hue family | Neutrals |
| Lightness | dark (32%) |
| Chroma | close to neutral grey (0.029) |
| Temperature | neutral |
| Nearest name | Gunmetal (#293241) |
| Black text | 1.65:1 |
| White text | 12.70:1 |
Values
| HEX | #23353F |
| RGB | rgb(35, 53, 63) |
| HSL | hsl(201, 29%, 19%) |
| OKLCH | oklch(31.8% 0.029 233.2) |
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 #23353F | 12.70:1 | AAA | Lc -102.1 | Preferred for body text |
| Black text on #23353F | 1.65:1 | Fails | Lc 0.0 | Not readable |
| #23353F text on white | 12.70:1 | AAA | Lc 98.7 | Preferred for body text |
| #23353F text on black | 1.65:1 | 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
#F2F6F8
oklch(97.1% 0.005 228.8)
-
Step 100
100
#E4EBF0
oklch(93.6% 0.01 238.5)
-
Step 200
200
#CDDCE4
oklch(88.6% 0.02 230.7)
-
Step 300
300
#ABC5D4
oklch(80.9% 0.035 233.2)
-
Step 400
400
#7EA7BE
oklch(70.7% 0.056 233.1)
-
Step 500
500
#5C91AE
oklch(63.1% 0.071 233.5)
-
Step 600
600
#407B9A
oklch(55.6% 0.078 233.5)
-
Step 700
700
#326883
oklch(49.2% 0.072 232.5)
-
Step 800
800
#2A546B
oklch(42.6% 0.061 234.6)
-
Step 900
900
#274656
oklch(37.7% 0.046 232.3)
-
Step 950
950 (this color)
#23353F
oklch(31.8% 0.029 233.2)
#23353F 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) | #303440 | 0.020 |
| Deuteranopia (no green cones) | #2C313F | 0.018 |
| Tritanopia (no blue cones) | #193838 | 0.023 |
| Achromatopsia (no color) | #333333 | 0.030 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #23353F
#23353F
oklch(31.8% 0.029 233.2)
- #3E2E24
#3E2E24
oklch(31.6% 0.029 53.4)
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 #23353F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Gunmetal #293241 ΔE 0.014
- Dark Blue Grey #1F3B4D ΔE 0.027
- Space Cadet #2B2D42 ΔE 0.031
- Midnight Green #073B4C ΔE 0.032
- Onyx #343A40 ΔE 0.032
- Prussian Blue #1D3557 ΔE 0.044
- Oxford Blue #1B263B ΔE 0.053
- Charcoal Grey #3C4142 ΔE 0.058
Use #23353F 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.