#323D45
Closest named color: Onyx (#343A40). oklch(35.3% 0.02 239.7), rgb(50, 61, 69).
Aa
White text reads best on this color (11.11:1).
About this color
#323D45 is a dark close to neutral grey. In OKLCH its lightness is 35%, its chroma 0.020. It has too little chroma to lean warm or cool. The nearest named color is Onyx (#343A40), ΔE 0.011 away. White text reads best on it, at 11.11:1.
| Hue family | Neutrals |
| Lightness | dark (35%) |
| Chroma | close to neutral grey (0.020) |
| Temperature | neutral |
| Nearest name | Onyx (#343A40) |
| Black text | 1.88:1 |
| White text | 11.11:1 |
Values
| HEX | #323D45 |
| RGB | rgb(50, 61, 69) |
| HSL | hsl(205, 16%, 23%) |
| OKLCH | oklch(35.3% 0.02 239.7) |
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 #323D45 | 11.11:1 | AAA | Lc -99.5 | Preferred for body text |
| Black text on #323D45 | 1.88:1 | Fails | Lc 8.2 | Not readable |
| #323D45 text on white | 11.11:1 | AAA | Lc 95.7 | Preferred for body text |
| #323D45 text on black | 1.88:1 | 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 900.
-
Step 50
50
#F4F6F7
oklch(97.2% 0.003 228.8)
-
Step 100
100
#E7EAEC
oklch(93.5% 0.004 236.5)
-
Step 200
200
#D4DADE
oklch(88.5% 0.009 236.6)
-
Step 300
300
#B8C2CA
oklch(80.9% 0.016 241.8)
-
Step 400
400
#94A3AE
oklch(70.7% 0.023 239.6)
-
Step 500
500
#798C9B
oklch(63% 0.032 241.9)
-
Step 600
600
#627685
oklch(55.5% 0.033 240.6)
-
Step 700
700
#516371
oklch(49% 0.031 241.7)
-
Step 800
800
#42515C
oklch(42.6% 0.026 240)
-
Step 900
900 (this color)
#323D45
oklch(35.3% 0.02 239.7)
-
Step 950
950
#21272C
oklch(26.9% 0.013 243.3)
#323D45 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) | #3A3D45 | 0.013 |
| Deuteranopia (no green cones) | #373B45 | 0.010 |
| Tritanopia (no blue cones) | #2D3F40 | 0.015 |
| Achromatopsia (no color) | #3B3B3B | 0.020 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #323D45
#323D45
oklch(35.3% 0.02 239.7)
- #443931
#443931
oklch(35.4% 0.021 58)
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 #323D45, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Onyx #343A40 ΔE 0.011
- Charcoal Grey #3C4142 ΔE 0.023
- Dark Blue Grey #1F3B4D ΔE 0.030
- Charcoal #264653 ΔE 0.033
- Gunmetal #293241 ΔE 0.040
- Dark Grey Blue #29465B ΔE 0.041
- Midnight Green #073B4C ΔE 0.046
- Space Cadet #2B2D42 ΔE 0.055
Use #323D45 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.