#3DAEB5
Closest named color: Turquoise Blue (#06B1C4). oklch(69.1% 0.1 201), rgb(61, 174, 181).
Aa
Black text reads best on this color (7.92:1).
About this color
#3DAEB5 is a medium-light, moderately saturated teal or cyan. In OKLCH its lightness is 69%, its chroma 0.100 and its hue 201°. Its hue sits on the cool side of the wheel. The nearest named color is Turquoise Blue (#06B1C4), ΔE 0.024 away. Black text reads best on it, at 7.92:1.
| Hue family | Teals and cyans |
| Lightness | medium-light (69%) |
| Chroma | moderately saturated (0.100) |
| Temperature | cool |
| Nearest name | Turquoise Blue (#06B1C4) |
| Black text | 7.92:1 |
| White text | 2.65:1 |
Values
| HEX | #3DAEB5 |
| RGB | rgb(61, 174, 181) |
| HSL | hsl(184, 50%, 47%) |
| OKLCH | oklch(69.1% 0.1 201) |
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 #3DAEB5 | 2.65:1 | Fails | Lc -56.5 | Large or bold text, headings |
| Black text on #3DAEB5 | 7.92:1 | AAA | Lc 52.7 | Large or bold text, headings |
| #3DAEB5 text on white | 2.65:1 | Fails | Lc 51.3 | Large or bold text, headings |
| #3DAEB5 text on black | 7.92:1 | AAA | Lc -50.6 | 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 400.
-
Step 50
50
#EFF7F8
oklch(97% 0.009 205.9)
-
Step 100
100
#DDEEEF
oklch(93.7% 0.018 201.1)
-
Step 200
200
#C0E0E2
oklch(88.4% 0.034 201.2)
-
Step 300
300
#90CDD1
oklch(80.8% 0.062 201.1)
-
Step 400
400 (this color)
#3DAEB5
oklch(69.1% 0.1 201)
-
Step 500
500
#009CA4
oklch(63% 0.107 201.2)
-
Step 600
600
#00838A
oklch(55.5% 0.094 201.4)
-
Step 700
700
#006E74
oklch(49% 0.083 201.4)
-
Step 800
800
#005B5F
oklch(42.8% 0.073 200)
-
Step 900
900
#004B50
oklch(37.6% 0.064 202.5)
-
Step 950
950
#002D30
oklch(27% 0.046 201.8)
#3DAEB5 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) | #A1A7B6 | 0.101 |
| Deuteranopia (no green cones) | #8F99B6 | 0.094 |
| Tritanopia (no blue cones) | #00B4B0 | 0.027 |
| Achromatopsia (no color) | #9F9F9F | 0.101 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #3DAEB5
#3DAEB5
oklch(69.1% 0.1 201)
- #D28281
#D28281
oklch(69% 0.099 20.7)
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 #3DAEB5, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Turquoise Blue #06B1C4 ΔE 0.024
- Light Sea Green #20B2AA ΔE 0.027
- Topaz #13BBAF ΔE 0.043
- Cadet Blue #5F9EA0 ΔE 0.048
- Greeny Blue #42B395 ΔE 0.054
- Greyblue #77A1B5 ΔE 0.058
- Dull Teal #5F9E8F ΔE 0.060
- Bluegrey #85A3B2 ΔE 0.068
Use #3DAEB5 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.