#2C4E45
Closest named color: Dark Slate Gray (#2F4F4F). oklch(39.5% 0.043 175.2), rgb(44, 78, 69).
Aa
White text reads best on this color (9.19:1).
About this color
#2C4E45 is a dark, muted teal or cyan. In OKLCH its lightness is 39%, its chroma 0.043 and its hue 175°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Slate Gray (#2F4F4F), ΔE 0.017 away. White text reads best on it, at 9.19:1.
| Hue family | Teals and cyans |
| Lightness | dark (39%) |
| Chroma | muted (0.043) |
| Temperature | cool |
| Nearest name | Dark Slate Gray (#2F4F4F) |
| Black text | 2.28:1 |
| White text | 9.19:1 |
Values
| HEX | #2C4E45 |
| RGB | rgb(44, 78, 69) |
| HSL | hsl(164, 28%, 24%) |
| OKLCH | oklch(39.5% 0.043 175.2) |
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 #2C4E45 | 9.19:1 | AAA | Lc -95.5 | Preferred for body text |
| Black text on #2C4E45 | 2.28:1 | Fails | Lc 12.8 | Not readable |
| #2C4E45 text on white | 9.19:1 | AAA | Lc 91.1 | Preferred for body text |
| #2C4E45 text on black | 2.28:1 | Fails | Lc -11.2 | 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
#F3F6F5
oklch(97.1% 0.003 174.5)
-
Step 100
100
#E4ECE9
oklch(93.6% 0.009 171.8)
-
Step 200
200
#CEDDD8
oklch(88.5% 0.017 174)
-
Step 300
300
#ACC8BF
oklch(80.9% 0.033 174.1)
-
Step 400
400
#7FAC9F
oklch(70.8% 0.052 175)
-
Step 500
500
#5D9787
oklch(63.2% 0.066 174.6)
-
Step 600
600
#418171
oklch(55.6% 0.071 175.3)
-
Step 700
700
#326D5F
oklch(49.1% 0.066 175.8)
-
Step 800
800
#2A594D
oklch(42.7% 0.056 174.8)
-
Step 900
900 (this color)
#2C4E45
oklch(39.5% 0.043 175.2)
-
Step 950
950
#182B26
oklch(27.1% 0.027 175.7)
#2C4E45 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) | #4C4A45 | 0.046 |
| Deuteranopia (no green cones) | #464646 | 0.043 |
| Tritanopia (no blue cones) | #214F4B | 0.013 |
| Achromatopsia (no color) | #484848 | 0.043 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #2C4E45
#2C4E45
oklch(39.5% 0.043 175.2)
- #593D47
#593D47
oklch(39.5% 0.042 356)
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 #2C4E45, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Slate Gray #2F4F4F ΔE 0.017
- Dark Blue Green #005249 ΔE 0.028
- Dark Teal #014D4E ΔE 0.032
- Deep Teal #00555A ΔE 0.039
- Charcoal #264653 ΔE 0.042
- Charcoal Grey #3C4142 ΔE 0.044
- Dark Grey Blue #29465B ΔE 0.053
- Evergreen #05472A ΔE 0.060
Use #2C4E45 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.