#2F9EAA
Closest named color: Sea (#3C9992). oklch(64.4% 0.098 205.6), rgb(47, 158, 170).
Aa
Black text reads best on this color (6.59:1).
About this color
#2F9EAA is a medium-light, moderately saturated teal or cyan. In OKLCH its lightness is 64%, its chroma 0.098 and its hue 206°. Its hue sits on the cool side of the wheel. The nearest named color is Sea (#3C9992), ΔE 0.034 away. Black text reads best on it, at 6.59:1.
| Hue family | Teals and cyans |
| Lightness | medium-light (64%) |
| Chroma | moderately saturated (0.098) |
| Temperature | cool |
| Nearest name | Sea (#3C9992) |
| Black text | 6.59:1 |
| White text | 3.18:1 |
Values
| HEX | #2F9EAA |
| RGB | rgb(47, 158, 170) |
| HSL | hsl(186, 57%, 43%) |
| OKLCH | oklch(64.4% 0.098 205.6) |
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 #2F9EAA | 3.18:1 | AA large text | Lc -64.1 | Content text, not long reading |
| Black text on #2F9EAA | 6.59:1 | AA | Lc 45.4 | Large or bold text, headings |
| #2F9EAA text on white | 3.18:1 | AA large text | Lc 58.7 | Large or bold text, headings |
| #2F9EAA text on black | 6.59:1 | AA | Lc -43.1 | 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 500.
-
Step 50
50
#F1F7F7
oklch(97.2% 0.006 197.1)
-
Step 100
100
#E0EDEE
oklch(93.7% 0.014 202.5)
-
Step 200
200
#C6DFE2
oklch(88.6% 0.027 205.4)
-
Step 300
300
#9DCAD0
oklch(80.9% 0.048 206.4)
-
Step 400
400
#63AFB8
oklch(70.8% 0.076 205.5)
-
Step 500
500 (this color)
#2F9EAA
oklch(64.4% 0.098 205.6)
-
Step 600
600
#00838E
oklch(55.7% 0.095 205.2)
-
Step 700
700
#006E78
oklch(49.1% 0.084 205.8)
-
Step 800
800
#005A62
oklch(42.7% 0.073 205.3)
-
Step 900
900
#024B52
oklch(37.7% 0.064 205.7)
-
Step 950
950
#082C30
oklch(27% 0.04 205.7)
#2F9EAA 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) | #9198AB | 0.096 |
| Deuteranopia (no green cones) | #7F8BAA | 0.087 |
| Tritanopia (no blue cones) | #00A5A1 | 0.030 |
| Achromatopsia (no color) | #909090 | 0.098 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #2F9EAA
#2F9EAA
oklch(64.4% 0.098 205.6)
- #C2756E
#C2756E
oklch(64.4% 0.098 25.7)
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 #2F9EAA, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Sea #3C9992 ΔE 0.034
- Cadet Blue #5F9EA0 ΔE 0.037
- Persian Green #2A9D8F ΔE 0.041
- Teal Green #0A9396 ΔE 0.044
- Blue Green #0F9B8E ΔE 0.045
- Dull Teal #5F9E8F ΔE 0.050
- Grey Teal #5E9B8A ΔE 0.053
- Turquoise Blue #06B1C4 ΔE 0.057
Use #2F9EAA 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.