#306D62
Closest named color: Dark Aquamarine (#017371). oklch(49.1% 0.066 179.9), rgb(48, 109, 98).
Aa
White text reads best on this color (6.01:1).
About this color
#306D62 is a medium-dark, muted teal or cyan. In OKLCH its lightness is 49%, its chroma 0.066 and its hue 180°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Aquamarine (#017371), ΔE 0.028 away. White text reads best on it, at 6.01:1.
| Hue family | Teals and cyans |
| Lightness | medium-dark (49%) |
| Chroma | muted (0.066) |
| Temperature | cool |
| Nearest name | Dark Aquamarine (#017371) |
| Black text | 3.48:1 |
| White text | 6.01:1 |
Values
| HEX | #306D62 |
| RGB | rgb(48, 109, 98) |
| HSL | hsl(169, 39%, 31%) |
| OKLCH | oklch(49.1% 0.066 179.9) |
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 #306D62 | 6.01:1 | AA | Lc -85.1 | Fine for body text |
| Black text on #306D62 | 3.48:1 | AA large text | Lc 24.2 | Dividers and decoration only |
| #306D62 text on white | 6.01:1 | AA | Lc 79.9 | Fine for body text |
| #306D62 text on black | 3.48:1 | AA large text | Lc -21.9 | 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
#F3F6F5
oklch(97.1% 0.003 174.5)
-
Step 100
100
#E4ECEA
oklch(93.6% 0.009 179.6)
-
Step 200
200
#CDDDD9
oklch(88.4% 0.018 179.3)
-
Step 300
300
#ABC8C1
oklch(80.9% 0.033 179.2)
-
Step 400
400
#7EABA2
oklch(70.6% 0.05 181.1)
-
Step 500
500
#5B978B
oklch(63.2% 0.066 179.9)
-
Step 600
600
#3F8175
oklch(55.6% 0.07 180.2)
-
Step 700
700 (this color)
#306D62
oklch(49.1% 0.066 179.9)
-
Step 800
800
#295950
oklch(42.7% 0.055 179.7)
-
Step 900
900
#264942
oklch(37.7% 0.043 179.5)
-
Step 950
950
#172B27
oklch(27.1% 0.027 180)
#306D62 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) | #696762 | 0.070 |
| Deuteranopia (no green cones) | #5F6063 | 0.066 |
| Tritanopia (no blue cones) | #0C6F6A | 0.020 |
| Achromatopsia (no color) | #636363 | 0.066 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #306D62
#306D62
oklch(49.1% 0.066 179.9)
- #80515F
#80515F
oklch(49.2% 0.066 0.5)
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 #306D62, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Aquamarine #017371 ΔE 0.028
- Dark Aqua #05696B ΔE 0.031
- Deep Turquoise #017374 ΔE 0.031
- Dark Green Blue #1F6357 ΔE 0.037
- Bluegreen #017A79 ΔE 0.045
- Deep Aqua #08787F ΔE 0.048
- Slate #516572 ΔE 0.055
- Petrol #005F6A ΔE 0.059
Use #306D62 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.