#307263
Closest named color: Dark Aquamarine (#017371). oklch(50.5% 0.072 176.1), rgb(48, 114, 99).
Aa
White text reads best on this color (5.65:1).
About this color
#307263 is a medium-dark, moderately saturated teal or cyan. In OKLCH its lightness is 50%, its chroma 0.072 and its hue 176°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Aquamarine (#017371), ΔE 0.027 away. White text reads best on it, at 5.65:1.
| Hue family | Teals and cyans |
| Lightness | medium-dark (50%) |
| Chroma | moderately saturated (0.072) |
| Temperature | cool |
| Nearest name | Dark Aquamarine (#017371) |
| Black text | 3.71:1 |
| White text | 5.65:1 |
Values
| HEX | #307263 |
| RGB | rgb(48, 114, 99) |
| HSL | hsl(166, 41%, 32%) |
| OKLCH | oklch(50.5% 0.072 176.1) |
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 #307263 | 5.65:1 | AA | Lc -83.4 | Fine for body text |
| Black text on #307263 | 3.71:1 | AA large text | Lc 26.0 | Dividers and decoration only |
| #307263 text on white | 5.65:1 | AA | Lc 78.1 | Fine for body text |
| #307263 text on black | 3.71:1 | AA large text | Lc -23.7 | 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
#F2F6F5
oklch(97% 0.004 179.7)
-
Step 100
100
#E3ECE9
oklch(93.5% 0.01 174.3)
-
Step 200
200
#CDDED8
oklch(88.6% 0.02 172.7)
-
Step 300
300
#AAC8C0
oklch(80.8% 0.034 177.5)
-
Step 400
400
#7CAC9F
oklch(70.6% 0.055 176)
-
Step 500
500
#589888
oklch(63.2% 0.071 176)
-
Step 600
600
#3A8272
oklch(55.6% 0.077 176.6)
-
Step 700
700 (this color)
#307263
oklch(50.5% 0.072 176.1)
-
Step 800
800
#265A4E
oklch(42.8% 0.059 176)
-
Step 900
900
#244A41
oklch(37.8% 0.047 176.4)
-
Step 950
950
#162B26
oklch(27% 0.029 177.1)
#307263 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) | #6E6B62 | 0.075 |
| Deuteranopia (no green cones) | #646464 | 0.072 |
| Tritanopia (no blue cones) | #06736D | 0.022 |
| Achromatopsia (no color) | #676767 | 0.072 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #307263
#307263
oklch(50.5% 0.072 176.1)
- #855366
#855366
oklch(50.4% 0.071 355.6)
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 #307263, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Aquamarine #017371 ΔE 0.027
- Deep Turquoise #017374 ΔE 0.030
- Bluegreen #017A79 ΔE 0.036
- Deep Aqua #08787F ΔE 0.043
- Dark Aqua #05696B ΔE 0.043
- Dark Green Blue #1F6357 ΔE 0.051
- Teal #008080 ΔE 0.051
- Slate #516572 ΔE 0.063
Use #307263 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.