#35404E
Closest named color: Charcoal Grey (#3C4142). oklch(36.7% 0.028 254.6), rgb(53, 64, 78).
Aa
White text reads best on this color (10.52:1).
About this color
#35404E is a dark close to neutral grey. In OKLCH its lightness is 37%, its chroma 0.028. It has too little chroma to lean warm or cool. The nearest named color is Charcoal Grey (#3C4142), ΔE 0.024 away. White text reads best on it, at 10.52:1.
| Hue family | Neutrals |
| Lightness | dark (37%) |
| Chroma | close to neutral grey (0.028) |
| Temperature | neutral |
| Nearest name | Charcoal Grey (#3C4142) |
| Black text | 1.99:1 |
| White text | 10.52:1 |
Values
| HEX | #35404E |
| RGB | rgb(53, 64, 78) |
| HSL | hsl(214, 19%, 26%) |
| OKLCH | oklch(36.7% 0.028 254.6) |
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 #35404E | 10.52:1 | AAA | Lc -98.4 | Preferred for body text |
| Black text on #35404E | 1.99:1 | Fails | Lc 9.5 | Not readable |
| #35404E text on white | 10.52:1 | AAA | Lc 94.4 | Preferred for body text |
| #35404E text on black | 1.99:1 | Fails | Lc -8.2 | 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
#F4F5F7
oklch(97% 0.003 264.5)
-
Step 100
100
#E7EAEE
oklch(93.6% 0.006 255.5)
-
Step 200
200
#D4DAE1
oklch(88.6% 0.012 252.1)
-
Step 300
300
#B8C2CE
oklch(81% 0.02 252.9)
-
Step 400
400
#93A2B6
oklch(70.7% 0.034 255.6)
-
Step 500
500
#788BA4
oklch(63.1% 0.044 255.4)
-
Step 600
600
#61758F
oklch(55.6% 0.047 255.1)
-
Step 700
700
#50627A
oklch(49.1% 0.045 255.7)
-
Step 800
800
#425063
oklch(42.7% 0.036 256.1)
-
Step 900
900 (this color)
#35404E
oklch(36.7% 0.028 254.6)
-
Step 950
950
#21272F
oklch(27% 0.017 255.7)
#35404E 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) | #3B404F | 0.010 |
| Deuteranopia (no green cones) | #383E4E | 0.008 |
| Tritanopia (no blue cones) | #2E4345 | 0.024 |
| Achromatopsia (no color) | #3F3F3F | 0.028 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #35404E
#35404E
oklch(36.7% 0.028 254.6)
- #483D2E
#483D2E
oklch(36.7% 0.029 75.3)
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 #35404E, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Charcoal Grey #3C4142 ΔE 0.024
- Charcoal #264653 ΔE 0.025
- Onyx #343A40 ΔE 0.027
- Dark Grey Blue #29465B ΔE 0.027
- Dark Blue Grey #1F3B4D ΔE 0.036
- Dark Slate Gray #2F4F4F ΔE 0.049
- Gunmetal #293241 ΔE 0.052
- Midnight Green #073B4C ΔE 0.053
Use #35404E 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.