#306E5D
Closest named color: Dark Aquamarine (#017371). oklch(49.2% 0.07 172.8), rgb(48, 110, 93).
Aa
White text reads best on this color (5.97:1).
About this color
#306E5D is a medium-dark, moderately saturated teal or cyan. In OKLCH its lightness is 49%, its chroma 0.070 and its hue 173°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Aquamarine (#017371), ΔE 0.033 away. White text reads best on it, at 5.97:1.
| Hue family | Teals and cyans |
| Lightness | medium-dark (49%) |
| Chroma | moderately saturated (0.070) |
| Temperature | cool |
| Nearest name | Dark Aquamarine (#017371) |
| Black text | 3.51:1 |
| White text | 5.97:1 |
Values
| HEX | #306E5D |
| RGB | rgb(48, 110, 93) |
| HSL | hsl(164, 39%, 31%) |
| OKLCH | oklch(49.2% 0.07 172.8) |
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 #306E5D | 5.97:1 | AA | Lc -84.9 | Fine for body text |
| Black text on #306E5D | 3.51:1 | AA large text | Lc 24.4 | Dividers and decoration only |
| #306E5D text on white | 5.97:1 | AA | Lc 79.7 | Fine for body text |
| #306E5D text on black | 3.51:1 | AA large text | Lc -22.1 | 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
#F3F6F5
oklch(97.1% 0.003 174.5)
-
Step 100
100
#E4ECE9
oklch(93.6% 0.009 171.8)
-
Step 200
200
#CDDDD8
oklch(88.4% 0.018 175.3)
-
Step 300
300
#ABC8BE
oklch(80.8% 0.034 172.6)
-
Step 400
400
#7EAC9D
oklch(70.7% 0.054 172.6)
-
Step 500
500
#5B9785
oklch(63% 0.069 172.9)
-
Step 600
600
#3E826F
oklch(55.6% 0.076 172.8)
-
Step 700
700 (this color)
#306E5D
oklch(49.2% 0.07 172.8)
-
Step 800
800
#29594C
oklch(42.6% 0.057 173.5)
-
Step 900
900
#264A3F
oklch(37.8% 0.046 171.9)
-
Step 950
950
#172B25
oklch(27% 0.028 173)
#306E5D 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) | #6B675C | 0.073 |
| Deuteranopia (no green cones) | #61615E | 0.068 |
| Tritanopia (no blue cones) | #116F69 | 0.023 |
| Achromatopsia (no color) | #636363 | 0.071 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #306E5D
#306E5D
oklch(49.2% 0.07 172.8)
- #805065
#805065
oklch(49.2% 0.07 352.2)
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 #306E5D, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Aquamarine #017371 ΔE 0.033
- Deep Turquoise #017374 ΔE 0.036
- Dark Aqua #05696B ΔE 0.038
- Dark Green Blue #1F6357 ΔE 0.039
- Bluegreen #017A79 ΔE 0.047
- Deep Aqua #08787F ΔE 0.052
- Slate #516572 ΔE 0.063
- Teal #008080 ΔE 0.064
Use #306E5D 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.