#3D899C
Closest named color: Teal Blue (#01889F). oklch(59% 0.08 216.7), rgb(61, 137, 156).
Aa
Black text reads best on this color (5.25:1).
About this color
#3D899C is a medium-dark, moderately saturated teal or cyan. In OKLCH its lightness is 59%, its chroma 0.080 and its hue 217°. Its hue sits on the cool side of the wheel. The nearest named color is Teal Blue (#01889F), ΔE 0.026 away. Black text reads best on it, at 5.25:1.
| Hue family | Teals and cyans |
| Lightness | medium-dark (59%) |
| Chroma | moderately saturated (0.080) |
| Temperature | cool |
| Nearest name | Teal Blue (#01889F) |
| Black text | 5.25:1 |
| White text | 3.99:1 |
Values
| HEX | #3D899C |
| RGB | rgb(61, 137, 156) |
| HSL | hsl(192, 44%, 43%) |
| OKLCH | oklch(59% 0.08 216.7) |
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 #3D899C | 3.99:1 | AA large text | Lc -72.6 | Content text, not long reading |
| Black text on #3D899C | 5.25:1 | AA | Lc 37.0 | Non-text elements, placeholder text |
| #3D899C text on white | 3.99:1 | AA large text | Lc 67.1 | Content text, not long reading |
| #3D899C text on black | 5.25:1 | AA | Lc -34.6 | 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 600.
-
Step 50
50
#F2F6F7
oklch(97% 0.004 214.3)
-
Step 100
100
#E3ECEE
oklch(93.7% 0.01 212.5)
-
Step 200
200
#CBDDE2
oklch(88.6% 0.021 216.2)
-
Step 300
300
#A8C7D0
oklch(81% 0.036 217.2)
-
Step 400
400
#77AAB8
oklch(70.7% 0.058 216.7)
-
Step 500
500
#5195A6
oklch(63.2% 0.073 215.9)
-
Step 600
600 (this color)
#3D899C
oklch(59% 0.08 216.7)
-
Step 700
700
#236B7C
oklch(49.1% 0.074 216.7)
-
Step 800
800
#205765
oklch(42.7% 0.061 217.5)
-
Step 900
900
#204852
oklch(37.7% 0.048 216.3)
-
Step 950
950
#142A30
oklch(27% 0.03 217.4)
#3D899C 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) | #7C859D | 0.070 |
| Deuteranopia (no green cones) | #6E7B9C | 0.062 |
| Tritanopia (no blue cones) | #00908F | 0.041 |
| Achromatopsia (no color) | #7F7F7F | 0.080 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #3D899C
#3D899C
oklch(59% 0.08 216.7)
- #A76C5B
#A76C5B
oklch(59% 0.08 36.8)
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 #3D899C, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Teal Blue #01889F ΔE 0.026
- Blue NCS #118AB2 ΔE 0.037
- Teal Green #0A9396 ΔE 0.039
- Dark Cyan #008B8B ΔE 0.041
- Cerulean #457B9D ΔE 0.042
- Dusty Blue #5A86AD ΔE 0.042
- Stormy Blue #507B9C ΔE 0.043
- Off Blue #5684AE ΔE 0.043
Use #3D899C 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.