#3EA2B2
Closest named color: Cadet Blue (#5F9EA0). oklch(66.1% 0.094 209.9), rgb(62, 162, 178).
Aa
Black text reads best on this color (7.01:1).
About this color
#3EA2B2 is a medium-light, moderately saturated teal or cyan. In OKLCH its lightness is 66%, its chroma 0.094 and its hue 210°. Its hue sits on the cool side of the wheel. The nearest named color is Cadet Blue (#5F9EA0), ΔE 0.033 away. Black text reads best on it, at 7.01:1.
| Hue family | Teals and cyans |
| Lightness | medium-light (66%) |
| Chroma | moderately saturated (0.094) |
| Temperature | cool |
| Nearest name | Cadet Blue (#5F9EA0) |
| Black text | 7.01:1 |
| White text | 2.99:1 |
Values
| HEX | #3EA2B2 |
| RGB | rgb(62, 162, 178) |
| HSL | hsl(188, 48%, 47%) |
| OKLCH | oklch(66.1% 0.094 209.9) |
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 #3EA2B2 | 2.99:1 | Fails | Lc -61.7 | Content text, not long reading |
| Black text on #3EA2B2 | 7.01:1 | AAA | Lc 47.7 | Large or bold text, headings |
| #3EA2B2 text on white | 2.99:1 | Fails | Lc 56.3 | Large or bold text, headings |
| #3EA2B2 text on black | 7.01:1 | AAA | Lc -45.5 | 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
#E0ECEF
oklch(93.5% 0.013 214.4)
-
Step 200
200
#C7DEE2
oklch(88.5% 0.025 209.3)
-
Step 300
300
#9FC9D1
oklch(80.8% 0.046 210.5)
-
Step 400
400
#67ADBA
oklch(70.6% 0.073 210.7)
-
Step 500
500 (this color)
#3EA2B2
oklch(66.1% 0.094 209.9)
-
Step 600
600
#008292
oklch(55.6% 0.096 209.8)
-
Step 700
700
#006D7B
oklch(49% 0.085 210.2)
-
Step 800
800
#005A65
oklch(42.8% 0.074 209.1)
-
Step 900
900
#0A4A53
oklch(37.6% 0.061 209.6)
-
Step 950
950
#0A2C31
oklch(27.1% 0.039 208.9)
#3EA2B2 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) | #949CB3 | 0.089 |
| Deuteranopia (no green cones) | #8390B2 | 0.080 |
| Tritanopia (no blue cones) | #00A9A7 | 0.036 |
| Achromatopsia (no color) | #959595 | 0.094 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #3EA2B2
#3EA2B2
oklch(66.1% 0.094 209.9)
- #C57C70
#C57C70
oklch(66% 0.094 29.9)
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 #3EA2B2, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Cadet Blue #5F9EA0 ΔE 0.033
- Turquoise Blue #06B1C4 ΔE 0.043
- Sea #3C9992 ΔE 0.049
- Greyblue #77A1B5 ΔE 0.052
- Dull Teal #5F9E8F ΔE 0.052
- Light Sea Green #20B2AA ΔE 0.052
- Persian Green #2A9D8F ΔE 0.055
- Grey Teal #5E9B8A ΔE 0.058
Use #3EA2B2 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.