#2F5D64
Closest named color: Petrol (#005F6A). oklch(44.9% 0.052 208.3), rgb(47, 93, 100).
Aa
White text reads best on this color (7.31:1).
About this color
#2F5D64 is a dark, muted teal or cyan. In OKLCH its lightness is 45%, its chroma 0.052 and its hue 208°. Its hue sits on the cool side of the wheel. The nearest named color is Petrol (#005F6A), ΔE 0.025 away. White text reads best on it, at 7.31:1.
| Hue family | Teals and cyans |
| Lightness | dark (45%) |
| Chroma | muted (0.052) |
| Temperature | cool |
| Nearest name | Petrol (#005F6A) |
| Black text | 2.87:1 |
| White text | 7.31:1 |
Values
| HEX | #2F5D64 |
| RGB | rgb(47, 93, 100) |
| HSL | hsl(188, 36%, 29%) |
| OKLCH | oklch(44.9% 0.052 208.3) |
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 #2F5D64 | 7.31:1 | AAA | Lc -90.2 | Preferred for body text |
| Black text on #2F5D64 | 2.87:1 | Fails | Lc 18.7 | Dividers and decoration only |
| #2F5D64 text on white | 7.31:1 | AAA | Lc 85.3 | Fine for body text |
| #2F5D64 text on black | 2.87:1 | Fails | Lc -16.7 | 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
#F2F6F7
oklch(97% 0.004 214.3)
-
Step 100
100
#E4ECED
oklch(93.7% 0.009 205.9)
-
Step 200
200
#CDDCDF
oklch(88.4% 0.017 211)
-
Step 300
300
#ABC6CB
oklch(80.8% 0.03 210.1)
-
Step 400
400
#7DA9B0
oklch(70.6% 0.048 208.3)
-
Step 500
500
#5B949D
oklch(63.1% 0.061 208.5)
-
Step 600
600
#3E7E88
oklch(55.5% 0.067 208.8)
-
Step 700
700
#306B73
oklch(49.2% 0.062 207.2)
-
Step 800
800 (this color)
#2F5D64
oklch(44.9% 0.052 208.3)
-
Step 900
900
#26484D
oklch(37.8% 0.04 207.8)
-
Step 950
950
#172A2D
oklch(27% 0.025 208.4)
#2F5D64 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) | #565A64 | 0.049 |
| Deuteranopia (no green cones) | #4E5464 | 0.045 |
| Tritanopia (no blue cones) | #0E615F | 0.027 |
| Achromatopsia (no color) | #565656 | 0.052 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #2F5D64
#2F5D64
oklch(44.9% 0.052 208.3)
- #6F4A45
#6F4A45
oklch(44.9% 0.052 27.8)
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 #2F5D64, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Petrol #005F6A ΔE 0.025
- Dark Green Blue #1F6357 ΔE 0.036
- Dark Aqua #05696B ΔE 0.039
- YInMn Blue #415A77 ΔE 0.043
- Deep Teal #00555A ΔE 0.044
- Dark Slate Gray #2F4F4F ΔE 0.049
- Slate #516572 ΔE 0.054
- Dusty Grape #545775 ΔE 0.061
Use #2F5D64 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.