#2F818B
Closest named color: Teal (#008080). oklch(55.8% 0.079 206.5), rgb(47, 129, 139).
Aa
Black text reads best on this color (4.63:1).
About this color
#2F818B is a medium-dark, moderately saturated teal or cyan. In OKLCH its lightness is 56%, its chroma 0.079 and its hue 206°. Its hue sits on the cool side of the wheel. The nearest named color is Teal (#008080), ΔE 0.027 away. Black text reads best on it, at 4.63:1.
| Hue family | Teals and cyans |
| Lightness | medium-dark (56%) |
| Chroma | moderately saturated (0.079) |
| Temperature | cool |
| Nearest name | Teal (#008080) |
| Black text | 4.63:1 |
| White text | 4.53:1 |
Values
| HEX | #2F818B |
| RGB | rgb(47, 129, 139) |
| HSL | hsl(187, 49%, 36%) |
| OKLCH | oklch(55.8% 0.079 206.5) |
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 #2F818B | 4.53:1 | AA | Lc -76.7 | Fine for body text |
| Black text on #2F818B | 4.63:1 | AA | Lc 32.9 | Non-text elements, placeholder text |
| #2F818B text on white | 4.53:1 | AA | Lc 71.2 | Content text, not long reading |
| #2F818B text on black | 4.63:1 | AA | Lc -30.5 | Non-text elements, placeholder text |
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 600.
-
Step 50
50
#F2F6F7
oklch(97% 0.004 214.3)
-
Step 100
100
#E2ECED
oklch(93.6% 0.011 204.1)
-
Step 200
200
#CBDDE0
oklch(88.5% 0.02 208.8)
-
Step 300
300
#A7C8CC
oklch(81% 0.036 205.5)
-
Step 400
400
#76ABB2
oklch(70.7% 0.057 206.3)
-
Step 500
500
#4F969F
oklch(63% 0.072 206.2)
-
Step 600
600 (this color)
#2F818B
oklch(55.8% 0.079 206.5)
-
Step 700
700
#1F6C75
oklch(49% 0.073 206.4)
-
Step 800
800
#1D5860
oklch(42.6% 0.061 207.8)
-
Step 900
900
#1F494E
oklch(37.8% 0.047 205.8)
-
Step 950
950
#132B2E
oklch(27.1% 0.03 206.1)
#2F818B 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) | #767C8C | 0.077 |
| Deuteranopia (no green cones) | #69728B | 0.071 |
| Tritanopia (no blue cones) | #008684 | 0.027 |
| Achromatopsia (no color) | #767676 | 0.079 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #2F818B
#2F818B
oklch(55.8% 0.079 206.5)
- #9D615B
#9D615B
oklch(55.7% 0.079 26.1)
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 #2F818B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Teal #008080 ΔE 0.027
- Ocean #017B92 ΔE 0.031
- Dark Cyan #008B8B ΔE 0.032
- Teal Blue #01889F ΔE 0.033
- Deep Aqua #08787F ΔE 0.038
- Bluegreen #017A79 ΔE 0.040
- Cerulean #457B9D ΔE 0.043
- Stormy Blue #507B9C ΔE 0.047
Use #2F818B 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.