#2D4844
Closest named color: Dark Slate Gray (#2F4F4F). oklch(37.9% 0.034 184.2), rgb(45, 72, 68).
Aa
White text reads best on this color (9.89:1).
About this color
#2D4844 is a dark, muted teal or cyan. In OKLCH its lightness is 38%, its chroma 0.034 and its hue 184°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Slate Gray (#2F4F4F), ΔE 0.026 away. White text reads best on it, at 9.89:1.
| Hue family | Teals and cyans |
| Lightness | dark (38%) |
| Chroma | muted (0.034) |
| Temperature | cool |
| Nearest name | Dark Slate Gray (#2F4F4F) |
| Black text | 2.12:1 |
| White text | 9.89:1 |
Values
| HEX | #2D4844 |
| RGB | rgb(45, 72, 68) |
| HSL | hsl(171, 23%, 23%) |
| OKLCH | oklch(37.9% 0.034 184.2) |
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 #2D4844 | 9.89:1 | AAA | Lc -97.1 | Preferred for body text |
| Black text on #2D4844 | 2.12:1 | Fails | Lc 11.0 | Not readable |
| #2D4844 text on white | 9.89:1 | AAA | Lc 92.9 | Preferred for body text |
| #2D4844 text on black | 2.12:1 | Fails | Lc -9.6 | 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
#E5EBEA
oklch(93.5% 0.007 185.3)
-
Step 200
200
#D0DCDA
oklch(88.5% 0.013 185.1)
-
Step 300
300
#B0C6C2
oklch(80.9% 0.025 183.6)
-
Step 400
400
#85A9A3
oklch(70.6% 0.04 183.9)
-
Step 500
500
#66948D
oklch(63.1% 0.051 184.2)
-
Step 600
600
#4C7E77
oklch(55.6% 0.055 184.5)
-
Step 700
700
#3C6B64
oklch(49.2% 0.053 183.5)
-
Step 800
800
#325752
oklch(42.7% 0.043 184.8)
-
Step 900
900 (this color)
#2D4844
oklch(37.9% 0.034 184.2)
-
Step 950
950
#1A2A28
oklch(27% 0.022 186.2)
#2D4844 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) | #454544 | 0.035 |
| Deuteranopia (no green cones) | #414244 | 0.033 |
| Tritanopia (no blue cones) | #244947 | 0.010 |
| Achromatopsia (no color) | #434343 | 0.034 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #2D4844
#2D4844
oklch(37.9% 0.034 184.2)
- #523B40
#523B40
oklch(38% 0.033 4.4)
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 #2D4844, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Slate Gray #2F4F4F ΔE 0.026
- Charcoal Grey #3C4142 ΔE 0.029
- Charcoal #264653 ΔE 0.029
- Dark Teal #014D4E ΔE 0.033
- Dark Blue Green #005249 ΔE 0.040
- Dark Grey Blue #29465B ΔE 0.043
- Onyx #343A40 ΔE 0.045
- Deep Teal #00555A ΔE 0.049
Use #2D4844 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.