#307368
Closest named color: Dark Aquamarine (#017371). oklch(50.9% 0.07 181), rgb(48, 115, 104).
Aa
White text reads best on this color (5.55:1).
About this color
#307368 is a medium-dark, moderately saturated teal or cyan. In OKLCH its lightness is 51%, its chroma 0.070 and its hue 181°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Aquamarine (#017371), ΔE 0.023 away. White text reads best on it, at 5.55:1.
| Hue family | Teals and cyans |
| Lightness | medium-dark (51%) |
| Chroma | moderately saturated (0.070) |
| Temperature | cool |
| Nearest name | Dark Aquamarine (#017371) |
| Black text | 3.77:1 |
| White text | 5.55:1 |
Values
| HEX | #307368 |
| RGB | rgb(48, 115, 104) |
| HSL | hsl(170, 41%, 32%) |
| OKLCH | oklch(50.9% 0.07 181) |
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 #307368 | 5.55:1 | AA | Lc -82.9 | Fine for body text |
| Black text on #307368 | 3.77:1 | AA large text | Lc 26.5 | Dividers and decoration only |
| #307368 text on white | 5.55:1 | AA | Lc 77.6 | Fine for body text |
| #307368 text on black | 3.77:1 | AA large text | Lc -24.2 | 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
#E3ECEA
oklch(93.6% 0.01 181.4)
-
Step 200
200
#CCDDDA
oklch(88.4% 0.019 184.2)
-
Step 300
300
#AAC8C2
oklch(80.9% 0.033 182)
-
Step 400
400
#7BACA2
oklch(70.7% 0.054 180.6)
-
Step 500
500
#57978C
oklch(63% 0.068 181.8)
-
Step 600
600
#398276
oklch(55.7% 0.075 181.1)
-
Step 700
700 (this color)
#307368
oklch(50.9% 0.07 181)
-
Step 800
800
#255951
oklch(42.6% 0.057 182)
-
Step 900
900
#234A43
oklch(37.8% 0.046 180.6)
-
Step 950
950
#162B27
oklch(27% 0.028 180.5)
#307368 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) | #6E6D68 | 0.074 |
| Deuteranopia (no green cones) | #646569 | 0.071 |
| Tritanopia (no blue cones) | #007570 | 0.021 |
| Achromatopsia (no color) | #686868 | 0.071 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #307368
#307368
oklch(50.9% 0.07 181)
- #875463
#875463
oklch(50.8% 0.071 0.9)
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 #307368, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Aquamarine #017371 ΔE 0.023
- Deep Turquoise #017374 ΔE 0.026
- Bluegreen #017A79 ΔE 0.030
- Deep Aqua #08787F ΔE 0.036
- Dark Aqua #05696B ΔE 0.043
- Teal #008080 ΔE 0.045
- Dark Green Blue #1F6357 ΔE 0.055
- Slate #516572 ΔE 0.060
Use #307368 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.