#36444D
Closest named color: Charcoal Grey (#3C4142). oklch(37.8% 0.024 236.5), rgb(54, 68, 77).
Aa
White text reads best on this color (10.04:1).
About this color
#36444D is a dark close to neutral grey. In OKLCH its lightness is 38%, its chroma 0.024. It has too little chroma to lean warm or cool. The nearest named color is Charcoal Grey (#3C4142), ΔE 0.019 away. White text reads best on it, at 10.04:1.
| Hue family | Neutrals |
| Lightness | dark (38%) |
| Chroma | close to neutral grey (0.024) |
| Temperature | neutral |
| Nearest name | Charcoal Grey (#3C4142) |
| Black text | 2.09:1 |
| White text | 10.04:1 |
Values
| HEX | #36444D |
| RGB | rgb(54, 68, 77) |
| HSL | hsl(203, 18%, 26%) |
| OKLCH | oklch(37.8% 0.024 236.5) |
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 #36444D | 10.04:1 | AAA | Lc -97.4 | Preferred for body text |
| Black text on #36444D | 2.09:1 | Fails | Lc 10.6 | Not readable |
| #36444D text on white | 10.04:1 | AAA | Lc 93.3 | Preferred for body text |
| #36444D text on black | 2.09:1 | Fails | Lc -9.2 | 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
#F4F6F7
oklch(97.2% 0.003 228.8)
-
Step 100
100
#E7EAED
oklch(93.6% 0.005 247.9)
-
Step 200
200
#D3DADF
oklch(88.4% 0.01 238.5)
-
Step 300
300
#B6C3CB
oklch(81% 0.018 234.6)
-
Step 400
400
#90A4B0
oklch(70.7% 0.029 234.2)
-
Step 500
500
#758D9D
oklch(63% 0.037 237.4)
-
Step 600
600
#5D7788
oklch(55.5% 0.04 237.1)
-
Step 700
700
#4D6473
oklch(49% 0.037 237.1)
-
Step 800
800
#3F525E
oklch(42.7% 0.031 236.2)
-
Step 900
900 (this color)
#36444D
oklch(37.8% 0.024 236.5)
-
Step 950
950
#20282D
oklch(27.1% 0.015 235.5)
#36444D 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) | #40444D | 0.015 |
| Deuteranopia (no green cones) | #3D414D | 0.014 |
| Tritanopia (no blue cones) | #2F4647 | 0.017 |
| Achromatopsia (no color) | #424242 | 0.024 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #36444D
#36444D
oklch(37.8% 0.024 236.5)
- #4C3F36
#4C3F36
oklch(37.9% 0.023 56.6)
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 #36444D, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Charcoal Grey #3C4142 ΔE 0.019
- Charcoal #264653 ΔE 0.021
- Dark Grey Blue #29465B ΔE 0.027
- Onyx #343A40 ΔE 0.035
- Dark Slate Gray #2F4F4F ΔE 0.035
- Dark Blue Grey #1F3B4D ΔE 0.045
- Dark Teal #014D4E ΔE 0.049
- Midnight Green #073B4C ΔE 0.060
Use #36444D 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.