#307363
Closest named color: Dark Aquamarine (#017371). oklch(50.7% 0.073 175.1), rgb(48, 115, 99).
Aa
White text reads best on this color (5.58:1).
About this color
#307363 is a medium-dark, moderately saturated teal or cyan. In OKLCH its lightness is 51%, its chroma 0.073 and its hue 175°. 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 5.58:1.
| Hue family | Teals and cyans |
| Lightness | medium-dark (51%) |
| Chroma | moderately saturated (0.073) |
| Temperature | cool |
| Nearest name | Dark Aquamarine (#017371) |
| Black text | 3.75:1 |
| White text | 5.58:1 |
Values
| HEX | #307363 |
| RGB | rgb(48, 115, 99) |
| HSL | hsl(166, 41%, 32%) |
| OKLCH | oklch(50.7% 0.073 175.1) |
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 #307363 | 5.58:1 | AA | Lc -83.0 | Fine for body text |
| Black text on #307363 | 3.75:1 | AA large text | Lc 26.3 | Dividers and decoration only |
| #307363 text on white | 5.58:1 | AA | Lc 77.7 | Fine for body text |
| #307363 text on black | 3.75:1 | AA large text | Lc -24.0 | 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
#AAC8BF
oklch(80.8% 0.035 175.4)
-
Step 400
400
#7BAD9F
oklch(70.8% 0.057 175.3)
-
Step 500
500
#579887
oklch(63.1% 0.072 175.1)
-
Step 600
600
#398271
oklch(55.5% 0.078 175.7)
-
Step 700
700 (this color)
#307363
oklch(50.7% 0.073 175.1)
-
Step 800
800
#255A4D
oklch(42.8% 0.061 174.8)
-
Step 900
900
#244A40
oklch(37.8% 0.047 174.5)
-
Step 950
950
#162B26
oklch(27% 0.029 177.1)
#307363 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) | #6F6C62 | 0.076 |
| Deuteranopia (no green cones) | #656564 | 0.072 |
| Tritanopia (no blue cones) | #05746E | 0.023 |
| Achromatopsia (no color) | #686868 | 0.074 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #307363
#307363
oklch(50.7% 0.073 175.1)
- #875367
#875367
oklch(50.7% 0.074 355.4)
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 #307363, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Aquamarine #017371 ΔE 0.028
- Deep Turquoise #017374 ΔE 0.031
- Bluegreen #017A79 ΔE 0.035
- Deep Aqua #08787F ΔE 0.042
- Dark Aqua #05696B ΔE 0.046
- Teal #008080 ΔE 0.049
- Dark Green Blue #1F6357 ΔE 0.054
- Slate #516572 ΔE 0.065
Use #307363 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.