#3B707E
Closest named color: Deep Aqua (#08787F). oklch(51.4% 0.061 217), rgb(59, 112, 126).
Aa
White text reads best on this color (5.51:1).
About this color
#3B707E is a medium-dark, muted teal or cyan. In OKLCH its lightness is 51%, its chroma 0.061 and its hue 217°. 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 5.51:1.
| Hue family | Teals and cyans |
| Lightness | medium-dark (51%) |
| Chroma | muted (0.061) |
| Temperature | cool |
| Nearest name | Deep Aqua (#08787F) |
| Black text | 3.80:1 |
| White text | 5.51:1 |
Values
| HEX | #3B707E |
| RGB | rgb(59, 112, 126) |
| HSL | hsl(193, 36%, 36%) |
| OKLCH | oklch(51.4% 0.061 217) |
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 #3B707E | 5.51:1 | AA | Lc -82.7 | Fine for body text |
| Black text on #3B707E | 3.80:1 | AA large text | Lc 26.6 | Dividers and decoration only |
| #3B707E text on white | 5.51:1 | AA | Lc 77.4 | Fine for body text |
| #3B707E 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
#CEDCE0
oklch(88.5% 0.016 216.7)
-
Step 300
300
#ACC6CD
oklch(80.9% 0.03 215.8)
-
Step 400
400
#80A8B4
oklch(70.7% 0.047 218.2)
-
Step 500
500
#5E93A1
oklch(63.1% 0.06 216.3)
-
Step 600
600
#437D8C
oklch(55.6% 0.065 216.6)
-
Step 700
700 (this color)
#3B707E
oklch(51.4% 0.061 217)
-
Step 800
800
#2C5661
oklch(42.7% 0.05 216.8)
-
Step 900
900
#28474F
oklch(37.7% 0.039 216.1)
-
Step 950
950
#182A2E
oklch(27.1% 0.025 213.2)
#3B707E 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) | #676D7F | 0.054 |
| Deuteranopia (no green cones) | #5C657E | 0.048 |
| Tritanopia (no blue cones) | #107574 | 0.037 |
| Achromatopsia (no color) | #696969 | 0.061 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #3B707E
#3B707E
oklch(51.4% 0.061 217)
- #865B4E
#865B4E
oklch(51.4% 0.061 37.5)
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 #3B707E, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Deep Aqua #08787F ΔE 0.034
- Metallic Blue #4F738E ΔE 0.036
- Slate #516572 ΔE 0.038
- Deep Turquoise #017374 ΔE 0.038
- Sea Blue #047495 ΔE 0.041
- Dark Aquamarine #017371 ΔE 0.041
- Ocean #017B92 ΔE 0.042
- Bluegreen #017A79 ΔE 0.043
Use #3B707E 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.