#3D8FA4
Closest named color: Teal Blue (#01889F). oklch(60.8% 0.085 217.4), rgb(61, 143, 164).
Aa
Black text reads best on this color (5.66:1).
About this color
#3D8FA4 is a medium-dark, moderately saturated teal or cyan. In OKLCH its lightness is 61%, its chroma 0.085 and its hue 217°. Its hue sits on the cool side of the wheel. The nearest named color is Teal Blue (#01889F), ΔE 0.036 away. Black text reads best on it, at 5.66:1.
| Hue family | Teals and cyans |
| Lightness | medium-dark (61%) |
| Chroma | moderately saturated (0.085) |
| Temperature | cool |
| Nearest name | Teal Blue (#01889F) |
| Black text | 5.66:1 |
| White text | 3.70:1 |
Values
| HEX | #3D8FA4 |
| RGB | rgb(61, 143, 164) |
| HSL | hsl(192, 46%, 44%) |
| OKLCH | oklch(60.8% 0.085 217.4) |
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 #3D8FA4 | 3.70:1 | AA large text | Lc -69.9 | Content text, not long reading |
| Black text on #3D8FA4 | 5.66:1 | AA | Lc 39.7 | Non-text elements, placeholder text |
| #3D8FA4 text on white | 3.70:1 | AA large text | Lc 64.4 | Content text, not long reading |
| #3D8FA4 text on black | 5.66:1 | AA | Lc -37.2 | 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
#F2F6F8
oklch(97.1% 0.005 228.8)
-
Step 100
100
#E1ECEF
oklch(93.6% 0.012 215.8)
-
Step 200
200
#C9DDE3
oklch(88.4% 0.023 217.7)
-
Step 300
300
#A3C8D2
oklch(80.9% 0.042 216)
-
Step 400
400
#70ABBC
oklch(70.7% 0.066 217.9)
-
Step 500
500 (this color)
#3D8FA4
oklch(60.8% 0.085 217.4)
-
Step 600
600
#1C8097
oklch(55.6% 0.092 217.7)
-
Step 700
700
#096C80
oklch(49.1% 0.085 216.9)
-
Step 800
800
#105868
oklch(42.6% 0.071 217.1)
-
Step 900
900
#184955
oklch(37.8% 0.055 217)
-
Step 950
950
#102B32
oklch(27.1% 0.035 217.1)
#3D8FA4 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) | #818BA5 | 0.073 |
| Deuteranopia (no green cones) | #7280A4 | 0.066 |
| Tritanopia (no blue cones) | #009696 | 0.042 |
| Achromatopsia (no color) | #858585 | 0.085 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #3D8FA4
#3D8FA4
oklch(60.8% 0.085 217.4)
- #AF705E
#AF705E
oklch(60.8% 0.085 36.7)
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 #3D8FA4, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Teal Blue #01889F ΔE 0.036
- Blue NCS #118AB2 ΔE 0.036
- Teal Green #0A9396 ΔE 0.037
- Dusty Blue #5A86AD ΔE 0.041
- Off Blue #5684AE ΔE 0.044
- Sea #3C9992 ΔE 0.047
- Dusty Teal #4C9085 ΔE 0.049
- Dark Cyan #008B8B ΔE 0.050
Use #3D8FA4 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.