#2D5954
Closest named color: Dark Slate Gray (#2F4F4F). oklch(43.1% 0.05 186), rgb(45, 89, 84).
Aa
White text reads best on this color (7.86:1).
About this color
#2D5954 is a dark, muted teal or cyan. In OKLCH its lightness is 43%, its chroma 0.050 and its hue 186°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Slate Gray (#2F4F4F), ΔE 0.031 away. White text reads best on it, at 7.86:1.
| Hue family | Teals and cyans |
| Lightness | dark (43%) |
| Chroma | muted (0.050) |
| Temperature | cool |
| Nearest name | Dark Slate Gray (#2F4F4F) |
| Black text | 2.66:1 |
| White text | 7.86:1 |
Values
| HEX | #2D5954 |
| RGB | rgb(45, 89, 84) |
| HSL | hsl(173, 33%, 26%) |
| OKLCH | oklch(43.1% 0.05 186) |
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 #2D5954 | 7.86:1 | AAA | Lc -91.9 | Preferred for body text |
| Black text on #2D5954 | 2.66:1 | Fails | Lc 16.8 | Dividers and decoration only |
| #2D5954 text on white | 7.86:1 | AAA | Lc 87.2 | Fine for body text |
| #2D5954 text on black | 2.66:1 | Fails | Lc -14.9 | 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 800.
-
Step 50
50
#F3F6F6
oklch(97.1% 0.003 197.1)
-
Step 100
100
#E4ECEB
oklch(93.7% 0.009 188.1)
-
Step 200
200
#CEDDDB
oklch(88.6% 0.016 187.3)
-
Step 300
300
#ADC7C3
oklch(80.9% 0.029 185.4)
-
Step 400
400
#80AAA5
oklch(70.6% 0.046 187.1)
-
Step 500
500
#5E958F
oklch(63% 0.059 187.1)
-
Step 600
600
#438079
oklch(55.7% 0.065 185.9)
-
Step 700
700
#346C66
oklch(49.1% 0.06 186.3)
-
Step 800
800 (this color)
#2D5954
oklch(43.1% 0.05 186)
-
Step 900
900
#284845
oklch(37.6% 0.038 188)
-
Step 950
950
#182A28
oklch(26.9% 0.024 187)
#2D5954 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) | #555554 | 0.053 |
| Deuteranopia (no green cones) | #4E4F55 | 0.051 |
| Tritanopia (no blue cones) | #195B57 | 0.015 |
| Achromatopsia (no color) | #525252 | 0.050 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #2D5954
#2D5954
oklch(43.1% 0.05 186)
- #68454C
#68454C
oklch(43.2% 0.049 6.2)
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 #2D5954, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Slate Gray #2F4F4F ΔE 0.031
- Dark Green Blue #1F6357 ΔE 0.032
- Deep Teal #00555A ΔE 0.034
- Petrol #005F6A ΔE 0.038
- Dark Blue Green #005249 ΔE 0.043
- Dark Teal #014D4E ΔE 0.053
- Dark Aqua #05696B ΔE 0.053
- Pine #2B5D34 ΔE 0.056
Use #2D5954 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.