#434050
Closest named color: Charcoal Grey (#3C4142). oklch(38.1% 0.027 293.7), rgb(67, 64, 80).
Aa
White text reads best on this color (10.05:1).
About this color
#434050 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 0.029 away. White text reads best on it, at 10.05:1.
| Hue family | Neutrals |
| Lightness | dark (38%) |
| Chroma | close to neutral grey (0.027) |
| Temperature | neutral |
| Nearest name | Charcoal Grey (#3C4142) |
| Black text | 2.08:1 |
| White text | 10.05:1 |
Values
| HEX | #434050 |
| RGB | rgb(67, 64, 80) |
| HSL | hsl(251, 11%, 28%) |
| OKLCH | oklch(38.1% 0.027 293.7) |
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 #434050 | 10.05:1 | AAA | Lc -97.5 | Preferred for body text |
| Black text on #434050 | 2.08:1 | Fails | Lc 10.6 | Not readable |
| #434050 text on white | 10.05:1 | AAA | Lc 93.4 | Preferred for body text |
| #434050 text on black | 2.08:1 | Fails | Lc -9.1 | 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
#EAE9ED
oklch(93.6% 0.005 297.7)
-
Step 200
200
#D9D8E0
oklch(88.5% 0.011 291.9)
-
Step 300
300
#C1BECD
oklch(80.9% 0.021 295.1)
-
Step 400
400
#A19DB4
oklch(70.7% 0.033 293.5)
-
Step 500
500
#8A85A1
oklch(63.1% 0.042 293.3)
-
Step 600
600
#746F8C
oklch(55.7% 0.045 292.8)
-
Step 700
700
#625C77
oklch(49.1% 0.043 294.9)
-
Step 800
800
#504C61
oklch(42.9% 0.035 293.6)
-
Step 900
900 (this color)
#434050
oklch(38.1% 0.027 293.7)
-
Step 950
950
#27252E
oklch(27% 0.017 295.4)
#434050 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) | #3D4251 | 0.011 |
| Deuteranopia (no green cones) | #3D4250 | 0.011 |
| Tritanopia (no blue cones) | #414245 | 0.023 |
| Achromatopsia (no color) | #424242 | 0.027 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #434050
#434050
oklch(38.1% 0.027 293.7)
- #424434
#424434
oklch(38% 0.026 113.4)
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 #434050, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Charcoal Grey #3C4142 ΔE 0.029
- Dark Grey Blue #29465B ΔE 0.040
- Onyx #343A40 ΔE 0.041
- Charcoal #264653 ΔE 0.042
- Dark Slate Gray #2F4F4F ΔE 0.054
- Dark Blue Grey #1F3B4D ΔE 0.057
- Gunmetal #293241 ΔE 0.067
- Purple Brown #673A3F ΔE 0.069
Use #434050 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.