#3A787F
Closest named color: Deep Aqua (#08787F). oklch(53.5% 0.065 205.2), rgb(58, 120, 127).
Aa
White text reads best on this color (5.03:1).
About this color
#3A787F is a medium-dark, muted teal or cyan. In OKLCH its lightness is 53%, its chroma 0.065 and its hue 205°. Its hue sits on the cool side of the wheel. The nearest named color is Deep Aqua (#08787F), ΔE 0.026 away. White text reads best on it, at 5.03:1.
| Hue family | Teals and cyans |
| Lightness | medium-dark (53%) |
| Chroma | muted (0.065) |
| Temperature | cool |
| Nearest name | Deep Aqua (#08787F) |
| Black text | 4.17:1 |
| White text | 5.03:1 |
Values
| HEX | #3A787F |
| RGB | rgb(58, 120, 127) |
| HSL | hsl(186, 37%, 36%) |
| OKLCH | oklch(53.5% 0.065 205.2) |
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 #3A787F | 5.03:1 | AA | Lc -80.0 | Fine for body text |
| Black text on #3A787F | 4.17:1 | AA large text | Lc 29.5 | Dividers and decoration only |
| #3A787F text on white | 5.03:1 | AA | Lc 74.6 | Content text, not long reading |
| #3A787F text on black | 4.17:1 | AA large text | Lc -27.1 | Dividers and decoration only |
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
#F3F6F7
oklch(97.1% 0.003 219.5)
-
Step 100
100
#E4ECEC
oklch(93.7% 0.009 197)
-
Step 200
200
#CEDCDE
oklch(88.4% 0.015 207.1)
-
Step 300
300
#ACC6CA
oklch(80.8% 0.029 207.8)
-
Step 400
400
#7FA9AE
oklch(70.6% 0.046 205.3)
-
Step 500
500
#5C949B
oklch(63% 0.06 205.9)
-
Step 600
600 (this color)
#3A787F
oklch(53.5% 0.065 205.2)
-
Step 700
700
#326B71
oklch(49.2% 0.06 204.5)
-
Step 800
800
#2A575C
oklch(42.7% 0.05 205)
-
Step 900
900
#27484B
oklch(37.8% 0.039 203.2)
-
Step 950
950
#172A2C
oklch(27% 0.025 204.3)
#3A787F 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) | #707480 | 0.065 |
| Deuteranopia (no green cones) | #656B7F | 0.060 |
| Tritanopia (no blue cones) | #037C7A | 0.031 |
| Achromatopsia (no color) | #6F6F6F | 0.065 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #3A787F
#3A787F
oklch(53.5% 0.065 205.2)
- #8F5E5A
#8F5E5A
oklch(53.4% 0.065 24.6)
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 #3A787F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Deep Aqua #08787F ΔE 0.026
- Bluegreen #017A79 ΔE 0.031
- Teal #008080 ΔE 0.033
- Ocean #017B92 ΔE 0.035
- Metallic Blue #4F738E ΔE 0.039
- Deep Turquoise #017374 ΔE 0.039
- Dark Aquamarine #017371 ΔE 0.042
- Sea Blue #047495 ΔE 0.047
Use #3A787F 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.