#307E75
Closest named color: Teal (#008080). oklch(54.3% 0.077 184.7), rgb(48, 126, 117).
Aa
White text reads best on this color (4.80:1).
About this color
#307E75 is a medium-dark, moderately saturated teal or cyan. In OKLCH its lightness is 54%, its chroma 0.077 and its hue 185°. Its hue sits on the cool side of the wheel. The nearest named color is Teal (#008080), ΔE 0.021 away. White text reads best on it, at 4.80:1.
| Hue family | Teals and cyans |
| Lightness | medium-dark (54%) |
| Chroma | moderately saturated (0.077) |
| Temperature | cool |
| Nearest name | Teal (#008080) |
| Black text | 4.36:1 |
| White text | 4.80:1 |
Values
| HEX | #307E75 |
| RGB | rgb(48, 126, 117) |
| HSL | hsl(173, 45%, 34%) |
| OKLCH | oklch(54.3% 0.077 184.7) |
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 #307E75 | 4.80:1 | AA | Lc -78.6 | Fine for body text |
| Black text on #307E75 | 4.36:1 | AA large text | Lc 31.0 | Non-text elements, placeholder text |
| #307E75 text on white | 4.80:1 | AA | Lc 73.1 | Content text, not long reading |
| #307E75 text on black | 4.36:1 | AA large text | Lc -28.6 | 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 600.
-
Step 50
50
#F2F6F6
oklch(97% 0.004 197.1)
-
Step 100
100
#E3ECEB
oklch(93.6% 0.01 189.1)
-
Step 200
200
#CCDDDB
oklch(88.4% 0.018 188.3)
-
Step 300
300
#A9C8C3
oklch(80.8% 0.034 184.7)
-
Step 400
400
#79ACA5
oklch(70.6% 0.055 185.4)
-
Step 500
500
#54988F
oklch(63.2% 0.071 184.6)
-
Step 600
600 (this color)
#307E75
oklch(54.3% 0.077 184.7)
-
Step 700
700
#266E66
oklch(49.1% 0.072 184.9)
-
Step 800
800
#225A53
oklch(42.8% 0.06 184.1)
-
Step 900
900
#224A45
oklch(37.8% 0.046 184.8)
-
Step 950
950
#152B28
oklch(27% 0.029 184.5)
#307E75 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) | #787775 | 0.082 |
| Deuteranopia (no green cones) | #6C6E76 | 0.078 |
| Tritanopia (no blue cones) | #00817B | 0.018 |
| Achromatopsia (no color) | #727272 | 0.078 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #307E75
#307E75
oklch(54.3% 0.077 184.7)
- #965C69
#965C69
oklch(54.3% 0.078 5.4)
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 #307E75, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Teal #008080 ΔE 0.021
- Bluegreen #017A79 ΔE 0.026
- Deep Aqua #08787F ΔE 0.034
- Dark Aquamarine #017371 ΔE 0.043
- Dark Cyan #008B8B ΔE 0.043
- Deep Turquoise #017374 ΔE 0.043
- Ocean #017B92 ΔE 0.051
- Teal Blue #01889F ΔE 0.063
Use #307E75 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.