#2F595C
Closest named color: Petrol (#005F6A). oklch(43.5% 0.047 201.6), rgb(47, 89, 92).
Aa
White text reads best on this color (7.76:1).
About this color
#2F595C is a dark, muted teal or cyan. In OKLCH its lightness is 43%, its chroma 0.047 and its hue 202°. Its hue sits on the cool side of the wheel. The nearest named color is Petrol (#005F6A), ΔE 0.032 away. White text reads best on it, at 7.76:1.
| Hue family | Teals and cyans |
| Lightness | dark (43%) |
| Chroma | muted (0.047) |
| Temperature | cool |
| Nearest name | Petrol (#005F6A) |
| Black text | 2.70:1 |
| White text | 7.76:1 |
Values
| HEX | #2F595C |
| RGB | rgb(47, 89, 92) |
| HSL | hsl(184, 32%, 27%) |
| OKLCH | oklch(43.5% 0.047 201.6) |
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 #2F595C | 7.76:1 | AAA | Lc -91.6 | Preferred for body text |
| Black text on #2F595C | 2.70:1 | Fails | Lc 17.2 | Dividers and decoration only |
| #2F595C text on white | 7.76:1 | AAA | Lc 86.9 | Fine for body text |
| #2F595C text on black | 2.70:1 | Fails | Lc -15.2 | Dividers and decoration only |
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
#E4EBEC
oklch(93.5% 0.008 207.1)
-
Step 200
200
#CEDCDD
oklch(88.4% 0.015 202)
-
Step 300
300
#ADC6C8
oklch(80.8% 0.027 202.5)
-
Step 400
400
#81A9AC
oklch(70.7% 0.043 202)
-
Step 500
500
#5F9498
oklch(63.1% 0.057 201.9)
-
Step 600
600
#447E82
oklch(55.5% 0.061 201.4)
-
Step 700
700
#356A6E
oklch(49% 0.057 201.9)
-
Step 800
800 (this color)
#2F595C
oklch(43.5% 0.047 201.6)
-
Step 900
900
#29484A
oklch(37.8% 0.037 201)
-
Step 950
950
#182A2B
oklch(27% 0.024 200.3)
#2F595C 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) | #53565C | 0.047 |
| Deuteranopia (no green cones) | #4C505C | 0.044 |
| Tritanopia (no blue cones) | #185C5A | 0.021 |
| Achromatopsia (no color) | #525252 | 0.047 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #2F595C
#2F595C
oklch(43.5% 0.047 201.6)
- #694746
#694746
oklch(43.6% 0.047 21)
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 #2F595C, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Petrol #005F6A ΔE 0.032
- Dark Slate Gray #2F4F4F ΔE 0.034
- Deep Teal #00555A ΔE 0.034
- Dark Green Blue #1F6357 ΔE 0.037
- Dark Aqua #05696B ΔE 0.050
- Dark Blue Green #005249 ΔE 0.051
- YInMn Blue #415A77 ΔE 0.052
- Dark Teal #014D4E ΔE 0.057
Use #2F595C 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.