#2D4448
Closest named color: Charcoal (#264653). oklch(36.9% 0.029 209.5), rgb(45, 68, 72).
Aa
White text reads best on this color (10.33:1).
About this color
#2D4448 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 0.019 away. White text reads best on it, at 10.33:1.
| Hue family | Neutrals |
| Lightness | dark (37%) |
| Chroma | close to neutral grey (0.029) |
| Temperature | neutral |
| Nearest name | Charcoal (#264653) |
| Black text | 2.03:1 |
| White text | 10.33:1 |
Values
| HEX | #2D4448 |
| RGB | rgb(45, 68, 72) |
| HSL | hsl(189, 23%, 23%) |
| OKLCH | oklch(36.9% 0.029 209.5) |
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 #2D4448 | 10.33:1 | AAA | Lc -98.0 | Preferred for body text |
| Black text on #2D4448 | 2.03:1 | Fails | Lc 10.0 | Not readable |
| #2D4448 text on white | 10.33:1 | AAA | Lc 94.0 | Preferred for body text |
| #2D4448 text on black | 2.03:1 | Fails | Lc -8.6 | 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
#F3F6F6
oklch(97.1% 0.003 197.1)
-
Step 100
100
#E5EBEC
oklch(93.6% 0.007 208.8)
-
Step 200
200
#D0DBDD
oklch(88.4% 0.012 209.8)
-
Step 300
300
#B1C5C8
oklch(80.9% 0.022 207.6)
-
Step 400
400
#88A7AD
oklch(70.7% 0.035 210.7)
-
Step 500
500
#6A9198
oklch(63% 0.044 209.8)
-
Step 600
600
#507B83
oklch(55.5% 0.049 210.5)
-
Step 700
700
#41686F
oklch(49.1% 0.045 210.1)
-
Step 800
800
#36555A
oklch(42.7% 0.037 208.6)
-
Step 900
900 (this color)
#2D4448
oklch(36.9% 0.029 209.5)
-
Step 950
950
#1C292B
oklch(27% 0.018 207.9)
#2D4448 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) | #404248 | 0.028 |
| Deuteranopia (no green cones) | #3C3F48 | 0.026 |
| Tritanopia (no blue cones) | #234645 | 0.015 |
| Achromatopsia (no color) | #404040 | 0.029 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #2D4448
#2D4448
oklch(36.9% 0.029 209.5)
- #4E3A37
#4E3A37
oklch(37% 0.029 28.3)
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 #2D4448, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Charcoal #264653 ΔE 0.019
- Charcoal Grey #3C4142 ΔE 0.022
- Dark Grey Blue #29465B ΔE 0.032
- Onyx #343A40 ΔE 0.032
- Dark Slate Gray #2F4F4F ΔE 0.036
- Dark Teal #014D4E ΔE 0.038
- Dark Blue Grey #1F3B4D ΔE 0.040
- Midnight Green #073B4C ΔE 0.051
Use #2D4448 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.