#2FA5B5
Closest named color: Turquoise Blue (#06B1C4). oklch(66.5% 0.103 208.4), rgb(47, 165, 181).
Aa
Black text reads best on this color (7.17:1).
About this color
#2FA5B5 is a medium-light, moderately saturated teal or cyan. In OKLCH its lightness is 67%, its chroma 0.103 and its hue 208°. Its hue sits on the cool side of the wheel. The nearest named color is Turquoise Blue (#06B1C4), ΔE 0.035 away. Black text reads best on it, at 7.17:1.
| Hue family | Teals and cyans |
| Lightness | medium-light (67%) |
| Chroma | moderately saturated (0.103) |
| Temperature | cool |
| Nearest name | Turquoise Blue (#06B1C4) |
| Black text | 7.17:1 |
| White text | 2.92:1 |
Values
| HEX | #2FA5B5 |
| RGB | rgb(47, 165, 181) |
| HSL | hsl(187, 59%, 45%) |
| OKLCH | oklch(66.5% 0.103 208.4) |
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 #2FA5B5 | 2.92:1 | Fails | Lc -60.7 | Content text, not long reading |
| Black text on #2FA5B5 | 7.17:1 | AAA | Lc 48.7 | Large or bold text, headings |
| #2FA5B5 text on white | 2.92:1 | Fails | Lc 55.3 | Large or bold text, headings |
| #2FA5B5 text on black | 7.17:1 | AAA | Lc -46.5 | Large or bold text, headings |
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
#F1F7F8
oklch(97.2% 0.007 208.8)
-
Step 100
100
#DFEDEF
oklch(93.6% 0.015 207.1)
-
Step 200
200
#C5DFE3
oklch(88.6% 0.028 207.8)
-
Step 300
300
#9BCAD2
oklch(80.8% 0.05 209.1)
-
Step 400
400
#5FAFBB
oklch(70.8% 0.08 208.1)
-
Step 500
500 (this color)
#2FA5B5
oklch(66.5% 0.103 208.4)
-
Step 600
600
#008291
oklch(55.5% 0.096 208.9)
-
Step 700
700
#006E7A
oklch(49.2% 0.085 207.9)
-
Step 800
800
#005A64
oklch(42.8% 0.073 207.9)
-
Step 900
900
#004B54
oklch(37.8% 0.065 208.5)
-
Step 950
950
#052C31
oklch(27% 0.042 207.6)
#2FA5B5 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) | #969FB6 | 0.098 |
| Deuteranopia (no green cones) | #8491B5 | 0.090 |
| Tritanopia (no blue cones) | #00ADAA | 0.034 |
| Achromatopsia (no color) | #979797 | 0.103 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #2FA5B5
#2FA5B5
oklch(66.5% 0.103 208.4)
- #CB7B70
#CB7B70
oklch(66.6% 0.102 28.5)
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 #2FA5B5, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Turquoise Blue #06B1C4 ΔE 0.035
- Cadet Blue #5F9EA0 ΔE 0.041
- Light Sea Green #20B2AA ΔE 0.046
- Sea #3C9992 ΔE 0.054
- Persian Green #2A9D8F ΔE 0.057
- Dull Teal #5F9E8F ΔE 0.058
- Greyblue #77A1B5 ΔE 0.059
- Blue Green #0F9B8E ΔE 0.063
Use #2FA5B5 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.