#3A877E
Closest named color: Dark Cyan (#008B8B). oklch(57.3% 0.077 185), rgb(58, 135, 126).
Aa
Black text reads best on this color (4.94:1).
About this color
#3A877E is a medium-dark, moderately saturated teal or cyan. In OKLCH its lightness is 57%, its chroma 0.077 and its hue 185°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Cyan (#008B8B), ΔE 0.026 away. Black text reads best on it, at 4.94:1.
| Hue family | Teals and cyans |
| Lightness | medium-dark (57%) |
| Chroma | moderately saturated (0.077) |
| Temperature | cool |
| Nearest name | Dark Cyan (#008B8B) |
| Black text | 4.94:1 |
| White text | 4.24:1 |
Values
| HEX | #3A877E |
| RGB | rgb(58, 135, 126) |
| HSL | hsl(173, 40%, 38%) |
| OKLCH | oklch(57.3% 0.077 185) |
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 #3A877E | 4.24:1 | AA large text | Lc -74.6 | Content text, not long reading |
| Black text on #3A877E | 4.94:1 | AA | Lc 35.0 | Non-text elements, placeholder text |
| #3A877E text on white | 4.24:1 | AA large text | Lc 69.1 | Content text, not long reading |
| #3A877E text on black | 4.94:1 | AA | Lc -32.5 | 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
#F2F6F6
oklch(97% 0.004 197.1)
-
Step 100
100
#E3ECEB
oklch(93.6% 0.01 189.1)
-
Step 200
200
#CCDDDB
oklch(88.4% 0.018 188.3)
-
Step 300
300
#A9C8C3
oklch(80.8% 0.034 184.7)
-
Step 400
400
#79ACA5
oklch(70.6% 0.055 185.4)
-
Step 500
500
#53988F
oklch(63.2% 0.072 184.7)
-
Step 600
600 (this color)
#3A877E
oklch(57.3% 0.077 185)
-
Step 700
700
#266E66
oklch(49.1% 0.072 184.9)
-
Step 800
800
#225A53
oklch(42.8% 0.06 184.1)
-
Step 900
900
#224A45
oklch(37.8% 0.046 184.8)
-
Step 950
950
#152B28
oklch(27% 0.029 184.5)
#3A877E 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) | #81807E | 0.082 |
| Deuteranopia (no green cones) | #75777F | 0.078 |
| Tritanopia (no blue cones) | #008A84 | 0.023 |
| Achromatopsia (no color) | #7B7B7B | 0.078 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #3A877E
#3A877E
oklch(57.3% 0.077 185)
- #9F6572
#9F6572
oklch(57.3% 0.077 5.2)
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 #3A877E, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Cyan #008B8B ΔE 0.026
- Dusty Teal #4C9085 ΔE 0.033
- Teal #008080 ΔE 0.036
- Teal Green #0A9396 ΔE 0.043
- Bluegreen #017A79 ΔE 0.051
- Teal Blue #01889F ΔE 0.053
- Slate Green #658D6D ΔE 0.054
- Sea #3C9992 ΔE 0.055
Use #3A877E 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.