#307D75
Closest named color: Teal (#008080). oklch(54% 0.076 185.8), rgb(48, 125, 117).
Aa
White text reads best on this color (4.86:1).
About this color
#307D75 is a medium-dark, moderately saturated teal or cyan. In OKLCH its lightness is 54%, its chroma 0.076 and its hue 186°. 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 4.86:1.
| Hue family | Teals and cyans |
| Lightness | medium-dark (54%) |
| Chroma | moderately saturated (0.076) |
| Temperature | cool |
| Nearest name | Teal (#008080) |
| Black text | 4.31:1 |
| White text | 4.86:1 |
Values
| HEX | #307D75 |
| RGB | rgb(48, 125, 117) |
| HSL | hsl(174, 45%, 34%) |
| OKLCH | oklch(54% 0.076 185.8) |
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 #307D75 | 4.86:1 | AA | Lc -78.9 | Fine for body text |
| Black text on #307D75 | 4.31:1 | AA large text | Lc 30.6 | Non-text elements, placeholder text |
| #307D75 text on white | 4.86:1 | AA | Lc 73.5 | Content text, not long reading |
| #307D75 text on black | 4.31:1 | AA large text | Lc -28.2 | 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 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
#A9C8C4
oklch(80.9% 0.034 187)
-
Step 400
400
#79ACA5
oklch(70.6% 0.055 185.4)
-
Step 500
500
#54978F
oklch(63% 0.07 185.7)
-
Step 600
600 (this color)
#307D75
oklch(54% 0.076 185.8)
-
Step 700
700
#276E66
oklch(49.2% 0.071 184.8)
-
Step 800
800
#225954
oklch(42.6% 0.058 187.1)
-
Step 900
900
#224A45
oklch(37.8% 0.046 184.8)
-
Step 950
950
#152B28
oklch(27% 0.029 184.5)
#307D75 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) | #777675 | 0.081 |
| Deuteranopia (no green cones) | #6B6E76 | 0.076 |
| Tritanopia (no blue cones) | #00807A | 0.018 |
| Achromatopsia (no color) | #717171 | 0.077 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #307D75
#307D75
oklch(54% 0.076 185.8)
- #945C68
#945C68
oklch(54% 0.075 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 #307D75, 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 0.024
- Deep Aqua #08787F ΔE 0.031
- Dark Aquamarine #017371 ΔE 0.040
- Deep Turquoise #017374 ΔE 0.040
- Dark Cyan #008B8B ΔE 0.045
- Ocean #017B92 ΔE 0.050
- Teal Blue #01889F ΔE 0.064
Use #307D75 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.