#3D424A
Closest named color: Charcoal Grey (#3C4142). oklch(37.7% 0.015 259.8), rgb(61, 66, 74).
Aa
White text reads best on this color (10.11:1).
About this color
#3D424A is a dark close to neutral grey. In OKLCH its lightness is 38%, its chroma 0.015. It has too little chroma to lean warm or cool. The nearest named color is Charcoal Grey (#3C4142), ΔE 0.014 away. White text reads best on it, at 10.11:1.
| Hue family | Neutrals |
| Lightness | dark (38%) |
| Chroma | close to neutral grey (0.015) |
| Temperature | neutral |
| Nearest name | Charcoal Grey (#3C4142) |
| Black text | 2.07:1 |
| White text | 10.11:1 |
Values
| HEX | #3D424A |
| RGB | rgb(61, 66, 74) |
| HSL | hsl(217, 10%, 26%) |
| OKLCH | oklch(37.7% 0.015 259.8) |
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 #3D424A | 10.11:1 | AAA | Lc -97.6 | Preferred for body text |
| Black text on #3D424A | 2.07:1 | Fails | Lc 10.4 | Not readable |
| #3D424A text on white | 10.11:1 | AAA | Lc 93.5 | Preferred for body text |
| #3D424A text on black | 2.07:1 | Fails | Lc -9.0 | 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
#F5F5F6
oklch(97% 0.001 286.4)
-
Step 100
100
#E8EAEC
oklch(93.6% 0.003 247.9)
-
Step 200
200
#D7D9DD
oklch(88.5% 0.006 264.5)
-
Step 300
300
#BCC1C8
oklch(80.9% 0.011 256.7)
-
Step 400
400
#9AA1AC
oklch(70.7% 0.018 259.4)
-
Step 500
500
#818A98
oklch(63.1% 0.024 259.2)
-
Step 600
600
#6B7483
oklch(55.7% 0.026 260.7)
-
Step 700
700
#59616E
oklch(49% 0.023 260.1)
-
Step 800
800
#494F5A
oklch(42.6% 0.02 262.6)
-
Step 900
900 (this color)
#3D424A
oklch(37.7% 0.015 259.8)
-
Step 950
950
#24272B
oklch(27.1% 0.009 255.6)
#3D424A 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) | #3F424A | 0.003 |
| Deuteranopia (no green cones) | #3E414A | 0.003 |
| Tritanopia (no blue cones) | #3A4445 | 0.013 |
| Achromatopsia (no color) | #424242 | 0.015 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #3D424A
#3D424A
oklch(37.7% 0.015 259.8)
- #464139
#464139
oklch(37.8% 0.015 79.7)
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 #3D424A, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Charcoal Grey #3C4142 ΔE 0.014
- Charcoal #264653 ΔE 0.032
- Onyx #343A40 ΔE 0.033
- Dark Grey Blue #29465B ΔE 0.036
- Dark Slate Gray #2F4F4F ΔE 0.042
- Dark Blue Grey #1F3B4D ΔE 0.051
- Dark Teal #014D4E ΔE 0.059
- Gunmetal #293241 ΔE 0.064
Use #3D424A 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.