#33414E
Closest named color: Charcoal (#264653). oklch(36.8% 0.029 246.7), rgb(51, 65, 78).
Aa
White text reads best on this color (10.46:1).
About this color
#33414E is a dark close to neutral grey. In OKLCH its lightness is 37%, its chroma 0.029. It has too little chroma to lean warm or cool. The nearest named color is Charcoal (#264653), ΔE 0.021 away. White text reads best on it, at 10.46:1.
| Hue family | Neutrals |
| Lightness | dark (37%) |
| Chroma | close to neutral grey (0.029) |
| Temperature | neutral |
| Nearest name | Charcoal (#264653) |
| Black text | 2.00:1 |
| White text | 10.46:1 |
Values
| HEX | #33414E |
| RGB | rgb(51, 65, 78) |
| HSL | hsl(209, 21%, 25%) |
| OKLCH | oklch(36.8% 0.029 246.7) |
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 #33414E | 10.46:1 | AAA | Lc -98.3 | Preferred for body text |
| Black text on #33414E | 2.00:1 | Fails | Lc 9.6 | Not readable |
| #33414E text on white | 10.46:1 | AAA | Lc 94.3 | Preferred for body text |
| #33414E text on black | 2.00:1 | Fails | Lc -8.3 | 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
#E7EAEE
oklch(93.6% 0.006 255.5)
-
Step 200
200
#D3DAE1
oklch(88.5% 0.012 248)
-
Step 300
300
#B6C2CE
oklch(80.8% 0.022 248.1)
-
Step 400
400
#90A3B6
oklch(70.7% 0.035 248.3)
-
Step 500
500
#748DA3
oklch(63.2% 0.044 245.1)
-
Step 600
600
#5C768E
oklch(55.5% 0.048 246.6)
-
Step 700
700
#4C6379
oklch(49% 0.045 247.6)
-
Step 800
800
#3E5163
oklch(42.6% 0.038 247.4)
-
Step 900
900 (this color)
#33414E
oklch(36.8% 0.029 246.7)
-
Step 950
950
#1F272F
oklch(26.9% 0.019 248.5)
#33414E 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) | #3C414F | 0.014 |
| Deuteranopia (no green cones) | #393E4E | 0.013 |
| Tritanopia (no blue cones) | #2B4445 | 0.024 |
| Achromatopsia (no color) | #3F3F3F | 0.029 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #33414E
#33414E
oklch(36.8% 0.029 246.7)
- #4A3C2F
#4A3C2F
oklch(36.7% 0.029 64.6)
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 #33414E, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Charcoal #264653 ΔE 0.021
- Charcoal Grey #3C4142 ΔE 0.024
- Dark Grey Blue #29465B ΔE 0.025
- Onyx #343A40 ΔE 0.028
- Dark Blue Grey #1F3B4D ΔE 0.035
- Dark Slate Gray #2F4F4F ΔE 0.046
- Midnight Green #073B4C ΔE 0.051
- Dark Teal #014D4E ΔE 0.053
Use #33414E 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.