#2D4D56
Closest named color: Dark Slate Gray (#2F4F4F). oklch(39.9% 0.041 217.7), rgb(45, 77, 86).
Aa
White text reads best on this color (9.10:1).
About this color
#2D4D56 is a dark, muted teal or cyan. In OKLCH its lightness is 40%, its chroma 0.041 and its hue 218°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Slate Gray (#2F4F4F), ΔE 0.016 away. White text reads best on it, at 9.10:1.
| Hue family | Teals and cyans |
| Lightness | dark (40%) |
| Chroma | muted (0.041) |
| Temperature | cool |
| Nearest name | Dark Slate Gray (#2F4F4F) |
| Black text | 2.30:1 |
| White text | 9.10:1 |
Values
| HEX | #2D4D56 |
| RGB | rgb(45, 77, 86) |
| HSL | hsl(193, 31%, 26%) |
| OKLCH | oklch(39.9% 0.041 217.7) |
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 #2D4D56 | 9.10:1 | AAA | Lc -95.2 | Preferred for body text |
| Black text on #2D4D56 | 2.30:1 | Fails | Lc 13.1 | Not readable |
| #2D4D56 text on white | 9.10:1 | AAA | Lc 90.9 | Preferred for body text |
| #2D4D56 text on black | 2.30:1 | Fails | Lc -11.5 | 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
#F3F6F7
oklch(97.1% 0.003 219.5)
-
Step 100
100
#E4EBEE
oklch(93.6% 0.009 225.1)
-
Step 200
200
#CDDCE0
oklch(88.4% 0.017 215.5)
-
Step 300
300
#ACC6CE
oklch(81% 0.03 218.3)
-
Step 400
400
#7EA9B5
oklch(70.8% 0.049 216.8)
-
Step 500
500
#5C93A2
oklch(63.1% 0.062 217)
-
Step 600
600
#417D8E
oklch(55.6% 0.068 218.5)
-
Step 700
700
#326978
oklch(49% 0.063 218)
-
Step 800
800
#2A5662
oklch(42.7% 0.052 217.8)
-
Step 900
900 (this color)
#2D4D56
oklch(39.9% 0.041 217.7)
-
Step 950
950
#172A2F
oklch(27.1% 0.026 216.3)
#2D4D56 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) | #474B57 | 0.036 |
| Deuteranopia (no green cones) | #414656 | 0.033 |
| Tritanopia (no blue cones) | #1A5050 | 0.024 |
| Achromatopsia (no color) | #484848 | 0.041 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #2D4D56
#2D4D56
oklch(39.9% 0.041 217.7)
- #5B4038
#5B4038
oklch(39.9% 0.04 37.2)
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 #2D4D56, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Slate Gray #2F4F4F ΔE 0.016
- Charcoal #264653 ΔE 0.025
- Dark Grey Blue #29465B ΔE 0.028
- Deep Teal #00555A ΔE 0.034
- Dark Teal #014D4E ΔE 0.036
- Charcoal Grey #3C4142 ΔE 0.044
- Dark Blue Green #005249 ΔE 0.044
- Petrol #005F6A ΔE 0.058
Use #2D4D56 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.