#2F5B53
Closest named color: Dark Green Blue (#1F6357). oklch(43.7% 0.051 180.7), rgb(47, 91, 83).
Aa
White text reads best on this color (7.65:1).
About this color
#2F5B53 is a dark, muted teal or cyan. In OKLCH its lightness is 44%, its chroma 0.051 and its hue 181°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Green Blue (#1F6357), ΔE 0.026 away. White text reads best on it, at 7.65:1.
| Hue family | Teals and cyans |
| Lightness | dark (44%) |
| Chroma | muted (0.051) |
| Temperature | cool |
| Nearest name | Dark Green Blue (#1F6357) |
| Black text | 2.74:1 |
| White text | 7.65:1 |
Values
| HEX | #2F5B53 |
| RGB | rgb(47, 91, 83) |
| HSL | hsl(169, 32%, 27%) |
| OKLCH | oklch(43.7% 0.051 180.7) |
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 #2F5B53 | 7.65:1 | AAA | Lc -91.3 | Preferred for body text |
| Black text on #2F5B53 | 2.74:1 | Fails | Lc 17.5 | Dividers and decoration only |
| #2F5B53 text on white | 7.65:1 | AAA | Lc 86.5 | Fine for body text |
| #2F5B53 text on black | 2.74:1 | Fails | Lc -15.6 | 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
#F3F6F5
oklch(97.1% 0.003 174.5)
-
Step 100
100
#E4ECEA
oklch(93.6% 0.009 179.6)
-
Step 200
200
#CEDDD9
oklch(88.5% 0.017 178.2)
-
Step 300
300
#ADC7C1
oklch(80.8% 0.029 180.1)
-
Step 400
400
#80ABA2
oklch(70.7% 0.048 180.5)
-
Step 500
500
#5F968B
oklch(63.1% 0.061 180.2)
-
Step 600
600
#438075
oklch(55.5% 0.066 180.7)
-
Step 700
700
#346C62
oklch(49% 0.062 180.5)
-
Step 800
800 (this color)
#2F5B53
oklch(43.7% 0.051 180.7)
-
Step 900
900
#284943
oklch(37.8% 0.04 181.1)
-
Step 950
950
#182B27
oklch(27.1% 0.026 179.4)
#2F5B53 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) | #585653 | 0.055 |
| Deuteranopia (no green cones) | #505154 | 0.051 |
| Tritanopia (no blue cones) | #1D5C59 | 0.016 |
| Achromatopsia (no color) | #535353 | 0.051 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #2F5B53
#2F5B53
oklch(43.7% 0.051 180.7)
- #694650
#694650
oklch(43.7% 0.05 0.7)
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 #2F5B53, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Green Blue #1F6357 ΔE 0.026
- Dark Slate Gray #2F4F4F ΔE 0.038
- Deep Teal #00555A ΔE 0.040
- Petrol #005F6A ΔE 0.040
- Dark Blue Green #005249 ΔE 0.047
- Dark Aqua #05696B ΔE 0.049
- Pine #2B5D34 ΔE 0.052
- Spruce #0A5F38 ΔE 0.057
Use #2F5B53 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.