#2F6370
Closest named color: Dark Aqua (#05696B). oklch(46.9% 0.059 216.3), rgb(47, 99, 112).
Aa
White text reads best on this color (6.68:1).
About this color
#2F6370 is a medium-dark, muted teal or cyan. In OKLCH its lightness is 47%, its chroma 0.059 and its hue 216°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Aqua (#05696B), ΔE 0.031 away. White text reads best on it, at 6.68:1.
| Hue family | Teals and cyans |
| Lightness | medium-dark (47%) |
| Chroma | muted (0.059) |
| Temperature | cool |
| Nearest name | Dark Aqua (#05696B) |
| Black text | 3.13:1 |
| White text | 6.68:1 |
Values
| HEX | #2F6370 |
| RGB | rgb(47, 99, 112) |
| HSL | hsl(192, 41%, 31%) |
| OKLCH | oklch(46.9% 0.059 216.3) |
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 #2F6370 | 6.68:1 | AA | Lc -87.9 | Fine for body text |
| Black text on #2F6370 | 3.13:1 | AA large text | Lc 21.2 | Dividers and decoration only |
| #2F6370 text on white | 6.68:1 | AA | Lc 82.9 | Fine for body text |
| #2F6370 text on black | 3.13:1 | AA large text | Lc -19.1 | 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 700.
-
Step 50
50
#F3F6F7
oklch(97.1% 0.003 219.5)
-
Step 100
100
#E4EBED
oklch(93.5% 0.008 216.6)
-
Step 200
200
#CEDCE0
oklch(88.5% 0.016 216.7)
-
Step 300
300
#ADC6CD
oklch(81% 0.029 216.5)
-
Step 400
400
#81A8B3
oklch(70.7% 0.045 216.9)
-
Step 500
500
#5F93A0
oklch(63.2% 0.059 215.3)
-
Step 600
600
#447D8B
oklch(55.6% 0.064 215.5)
-
Step 700
700 (this color)
#2F6370
oklch(46.9% 0.059 216.3)
-
Step 800
800
#2D5660
oklch(42.8% 0.049 215.4)
-
Step 900
900
#29474F
oklch(37.8% 0.038 216.7)
-
Step 950
950
#18292E
oklch(26.8% 0.024 218.3)
#2F6370 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) | #5A6071 | 0.052 |
| Deuteranopia (no green cones) | #505970 | 0.047 |
| Tritanopia (no blue cones) | #006867 | 0.034 |
| Achromatopsia (no color) | #5C5C5C | 0.059 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #2F6370
#2F6370
oklch(46.9% 0.059 216.3)
- #784F43
#784F43
oklch(47% 0.059 37)
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 #2F6370, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Aqua #05696B ΔE 0.031
- Petrol #005F6A ΔE 0.032
- YInMn Blue #415A77 ΔE 0.037
- Slate #516572 ΔE 0.041
- Dark Green Blue #1F6357 ΔE 0.045
- Denim #3B638C ΔE 0.049
- Deep Turquoise #017374 ΔE 0.050
- Dark Aquamarine #017371 ΔE 0.051
Use #2F6370 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.