#3D4352
Closest named color: Charcoal Grey (#3C4142). oklch(38.3% 0.027 268), rgb(61, 67, 82).
Aa
White text reads best on this color (9.89:1).
About this color
#3D4352 is a dark close to neutral grey. In OKLCH its lightness is 38%, its chroma 0.027. It has too little chroma to lean warm or cool. The nearest named color is Charcoal Grey (#3C4142), ΔE 0.027 away. White text reads best on it, at 9.89:1.
| Hue family | Neutrals |
| Lightness | dark (38%) |
| Chroma | close to neutral grey (0.027) |
| Temperature | neutral |
| Nearest name | Charcoal Grey (#3C4142) |
| Black text | 2.12:1 |
| White text | 9.89:1 |
Values
| HEX | #3D4352 |
| RGB | rgb(61, 67, 82) |
| HSL | hsl(223, 15%, 28%) |
| OKLCH | oklch(38.3% 0.027 268) |
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 #3D4352 | 9.89:1 | AAA | Lc -97.1 | Preferred for body text |
| Black text on #3D4352 | 2.12:1 | Fails | Lc 11.0 | Not readable |
| #3D4352 text on white | 9.89:1 | AAA | Lc 93.0 | Preferred for body text |
| #3D4352 text on black | 2.12:1 | Fails | Lc -9.5 | 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
#F5F5F7
oklch(97.1% 0.003 286.4)
-
Step 100
100
#E8EAEE
oklch(93.7% 0.006 264.5)
-
Step 200
200
#D6D9E1
oklch(88.5% 0.011 269.5)
-
Step 300
300
#BBC0CE
oklch(80.8% 0.02 270.2)
-
Step 400
400
#98A0B5
oklch(70.6% 0.032 269)
-
Step 500
500
#7F89A3
oklch(63.1% 0.041 268.6)
-
Step 600
600
#68738E
oklch(55.6% 0.044 267.6)
-
Step 700
700
#566079
oklch(49% 0.042 267.8)
-
Step 800
800
#474F62
oklch(42.8% 0.033 267.1)
-
Step 900
900 (this color)
#3D4352
oklch(38.3% 0.027 268)
-
Step 950
950
#23262F
oklch(26.9% 0.017 270.7)
#3D4352 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) | #3E4453 | 0.004 |
| Deuteranopia (no green cones) | #3D4252 | 0.003 |
| Tritanopia (no blue cones) | #384648 | 0.024 |
| Achromatopsia (no color) | #434343 | 0.027 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #3D4352
#3D4352
oklch(38.3% 0.027 268)
- #494333
#494333
oklch(38.4% 0.027 89.9)
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 #3D4352, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Charcoal Grey #3C4142 ΔE 0.027
- Dark Grey Blue #29465B ΔE 0.029
- Charcoal #264653 ΔE 0.031
- Onyx #343A40 ΔE 0.041
- Dark Slate Gray #2F4F4F ΔE 0.044
- Dark Blue Grey #1F3B4D ΔE 0.052
- Dark Teal #014D4E ΔE 0.062
- Gunmetal #293241 ΔE 0.068
Use #3D4352 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.