#3D707B
Closest named color: Deep Aqua (#08787F). oklch(51.4% 0.057 213.2), rgb(61, 112, 123).
Aa
White text reads best on this color (5.52:1).
About this color
#3D707B is a medium-dark, muted teal or cyan. In OKLCH its lightness is 51%, its chroma 0.057 and its hue 213°. Its hue sits on the cool side of the wheel. The nearest named color is Deep Aqua (#08787F), ΔE 0.034 away. White text reads best on it, at 5.52:1.
| Hue family | Teals and cyans |
| Lightness | medium-dark (51%) |
| Chroma | muted (0.057) |
| Temperature | cool |
| Nearest name | Deep Aqua (#08787F) |
| Black text | 3.80:1 |
| White text | 5.52:1 |
Values
| HEX | #3D707B |
| RGB | rgb(61, 112, 123) |
| HSL | hsl(191, 34%, 36%) |
| OKLCH | oklch(51.4% 0.057 213.2) |
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 #3D707B | 5.52:1 | AA | Lc -82.8 | Fine for body text |
| Black text on #3D707B | 3.80:1 | AA large text | Lc 26.6 | Dividers and decoration only |
| #3D707B text on white | 5.52:1 | AA | Lc 77.5 | Fine for body text |
| #3D707B text on black | 3.80:1 | AA large text | Lc -24.3 | 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 700.
-
Step 50
50
#F3F6F7
oklch(97.1% 0.003 219.5)
-
Step 100
100
#E4EBED
oklch(93.5% 0.008 216.6)
-
Step 200
200
#CEDCDF
oklch(88.5% 0.016 212)
-
Step 300
300
#ADC6CB
oklch(80.9% 0.028 211.1)
-
Step 400
400
#81A8B1
oklch(70.6% 0.044 213.4)
-
Step 500
500
#60939E
oklch(63.1% 0.057 212.7)
-
Step 600
600
#457D89
oklch(55.6% 0.062 213.1)
-
Step 700
700 (this color)
#3D707B
oklch(51.4% 0.057 213.2)
-
Step 800
800
#2E565F
oklch(42.8% 0.047 213.9)
-
Step 900
900
#29474D
oklch(37.7% 0.037 211.7)
-
Step 950
950
#192A2D
oklch(27.1% 0.023 209.7)
#3D707B 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) | #686D7C | 0.054 |
| Deuteranopia (no green cones) | #5E657B | 0.049 |
| Tritanopia (no blue cones) | #1B7573 | 0.033 |
| Achromatopsia (no color) | #696969 | 0.058 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #3D707B
#3D707B
oklch(51.4% 0.057 213.2)
- #855B52
#855B52
oklch(51.4% 0.058 32.5)
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 #3D707B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Deep Aqua #08787F ΔE 0.034
- Slate #516572 ΔE 0.036
- Deep Turquoise #017374 ΔE 0.037
- Metallic Blue #4F738E ΔE 0.038
- Dark Aquamarine #017371 ΔE 0.040
- Bluegreen #017A79 ΔE 0.042
- Ocean #017B92 ΔE 0.045
- Sea Blue #047495 ΔE 0.046
Use #3D707B 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.