#306A68
Closest named color: Dark Aqua (#05696B). oklch(48.5% 0.061 192.3), rgb(48, 106, 104).
Aa
White text reads best on this color (6.19:1).
About this color
#306A68 is a medium-dark, muted teal or cyan. In OKLCH its lightness is 49%, its chroma 0.061 and its hue 192°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Aqua (#05696B), ΔE 0.023 away. White text reads best on it, at 6.19:1.
| Hue family | Teals and cyans |
| Lightness | medium-dark (49%) |
| Chroma | muted (0.061) |
| Temperature | cool |
| Nearest name | Dark Aqua (#05696B) |
| Black text | 3.38:1 |
| White text | 6.19:1 |
Values
| HEX | #306A68 |
| RGB | rgb(48, 106, 104) |
| HSL | hsl(178, 38%, 30%) |
| OKLCH | oklch(48.5% 0.061 192.3) |
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 #306A68 | 6.19:1 | AA | Lc -85.9 | Fine for body text |
| Black text on #306A68 | 3.38:1 | AA large text | Lc 23.3 | Dividers and decoration only |
| #306A68 text on white | 6.19:1 | AA | Lc 80.8 | Fine for body text |
| #306A68 text on black | 3.38:1 | AA large text | Lc -21.1 | 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 700.
-
Step 50
50
#F3F6F6
oklch(97.1% 0.003 197.1)
-
Step 100
100
#E4ECEB
oklch(93.7% 0.009 188.1)
-
Step 200
200
#CEDDDC
oklch(88.6% 0.016 192)
-
Step 300
300
#ACC7C5
oklch(80.9% 0.029 191.1)
-
Step 400
400
#7FAAA8
oklch(70.6% 0.046 192.6)
-
Step 500
500
#5C9593
oklch(63% 0.06 192.9)
-
Step 600
600
#40807D
oklch(55.7% 0.066 191.4)
-
Step 700
700 (this color)
#306A68
oklch(48.5% 0.061 192.3)
-
Step 800
800
#2A5856
oklch(42.7% 0.051 191.7)
-
Step 900
900
#274847
oklch(37.6% 0.039 193.1)
-
Step 950
950
#172A2A
oklch(26.9% 0.025 195.8)
#306A68 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) | #646568 | 0.064 |
| Deuteranopia (no green cones) | #5A5E69 | 0.059 |
| Tritanopia (no blue cones) | #046D69 | 0.022 |
| Achromatopsia (no color) | #616161 | 0.061 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #306A68
#306A68
oklch(48.5% 0.061 192.3)
- #7D5156
#7D5156
oklch(48.5% 0.059 12.1)
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 #306A68, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Aqua #05696B ΔE 0.023
- Dark Aquamarine #017371 ΔE 0.031
- Deep Turquoise #017374 ΔE 0.031
- Dark Green Blue #1F6357 ΔE 0.036
- Slate #516572 ΔE 0.045
- Deep Aqua #08787F ΔE 0.047
- Petrol #005F6A ΔE 0.048
- Bluegreen #017A79 ΔE 0.049
Use #306A68 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.