#306A79
Closest named color: Dark Aqua (#05696B). oklch(49.2% 0.065 217.2), rgb(48, 106, 121).
Aa
White text reads best on this color (6.06:1).
About this color
#306A79 is a medium-dark, muted teal or cyan. In OKLCH its lightness is 49%, its chroma 0.065 and its hue 217°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Aqua (#05696B), ΔE 0.035 away. White text reads best on it, at 6.06:1.
| Hue family | Teals and cyans |
| Lightness | medium-dark (49%) |
| Chroma | muted (0.065) |
| Temperature | cool |
| Nearest name | Dark Aqua (#05696B) |
| Black text | 3.46:1 |
| White text | 6.06:1 |
Values
| HEX | #306A79 |
| RGB | rgb(48, 106, 121) |
| HSL | hsl(192, 43%, 33%) |
| OKLCH | oklch(49.2% 0.065 217.2) |
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 #306A79 | 6.06:1 | AA | Lc -85.3 | Fine for body text |
| Black text on #306A79 | 3.46:1 | AA large text | Lc 23.9 | Dividers and decoration only |
| #306A79 text on white | 6.06:1 | AA | Lc 80.1 | Fine for body text |
| #306A79 text on black | 3.46:1 | AA large text | Lc -21.7 | 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
#F2F6F7
oklch(97% 0.004 214.3)
-
Step 100
100
#E4EBEE
oklch(93.6% 0.009 225.1)
-
Step 200
200
#CDDCE1
oklch(88.5% 0.018 219.7)
-
Step 300
300
#ABC6CE
oklch(80.9% 0.031 217.5)
-
Step 400
400
#7DA9B5
oklch(70.7% 0.05 216.4)
-
Step 500
500
#5B93A3
oklch(63.1% 0.064 218)
-
Step 600
600
#3E7D8E
oklch(55.5% 0.07 217.7)
-
Step 700
700 (this color)
#306A79
oklch(49.2% 0.065 217.2)
-
Step 800
800
#295662
oklch(42.6% 0.053 217.5)
-
Step 900
900
#264750
oklch(37.7% 0.042 217.4)
-
Step 950
950
#172A2F
oklch(27.1% 0.026 216.3)
#306A79 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) | #60677A | 0.057 |
| Deuteranopia (no green cones) | #555F79 | 0.051 |
| Tritanopia (no blue cones) | #006F6F | 0.034 |
| Achromatopsia (no color) | #626262 | 0.065 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #306A79
#306A79
oklch(49.2% 0.065 217.2)
- #815446
#815446
oklch(49.2% 0.065 38)
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 #306A79, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Aqua #05696B ΔE 0.035
- Slate #516572 ΔE 0.036
- Deep Turquoise #017374 ΔE 0.036
- Dark Aquamarine #017371 ΔE 0.040
- Deep Aqua #08787F ΔE 0.042
- Denim #3B638C ΔE 0.044
- Sea Blue #047495 ΔE 0.047
- YInMn Blue #415A77 ΔE 0.049
Use #306A79 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.