#307E77
Closest named color: Teal (#008080). oklch(54.3% 0.076 187), rgb(48, 126, 119).
Aa
White text reads best on this color (4.79:1).
About this color
#307E77 is a medium-dark, moderately saturated teal or cyan. In OKLCH its lightness is 54%, its chroma 0.076 and its hue 187°. Its hue sits on the cool side of the wheel. The nearest named color is Teal (#008080), ΔE 0.020 away. White text reads best on it, at 4.79:1.
| Hue family | Teals and cyans |
| Lightness | medium-dark (54%) |
| Chroma | moderately saturated (0.076) |
| Temperature | cool |
| Nearest name | Teal (#008080) |
| Black text | 4.37:1 |
| White text | 4.79:1 |
Values
| HEX | #307E77 |
| RGB | rgb(48, 126, 119) |
| HSL | hsl(175, 45%, 34%) |
| OKLCH | oklch(54.3% 0.076 187) |
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 #307E77 | 4.79:1 | AA | Lc -78.5 | Fine for body text |
| Black text on #307E77 | 4.37:1 | AA large text | Lc 31.0 | Non-text elements, placeholder text |
| #307E77 text on white | 4.79:1 | AA | Lc 73.1 | Content text, not long reading |
| #307E77 text on black | 4.37:1 | 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
#A9C8C4
oklch(80.9% 0.034 187)
-
Step 400
400
#79ACA6
oklch(70.7% 0.055 186.9)
-
Step 500
500
#539790
oklch(62.9% 0.07 187)
-
Step 600
600 (this color)
#307E77
oklch(54.3% 0.076 187)
-
Step 700
700
#266E67
oklch(49.2% 0.071 186.1)
-
Step 800
800
#215954
oklch(42.6% 0.059 187.1)
-
Step 900
900
#214A46
oklch(37.8% 0.047 187)
-
Step 950
950
#152B29
oklch(27% 0.028 188.1)
#307E77 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) | #787777 | 0.082 |
| Deuteranopia (no green cones) | #6B6E78 | 0.077 |
| Tritanopia (no blue cones) | #00817C | 0.018 |
| Achromatopsia (no color) | #727272 | 0.077 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #307E77
#307E77
oklch(54.3% 0.076 187)
- #965C68
#965C68
oklch(54.3% 0.077 6.5)
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 #307E77, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Teal #008080 ΔE 0.020
- Bluegreen #017A79 ΔE 0.025
- Deep Aqua #08787F ΔE 0.032
- Dark Cyan #008B8B ΔE 0.042
- Deep Turquoise #017374 ΔE 0.043
- Dark Aquamarine #017371 ΔE 0.043
- Ocean #017B92 ΔE 0.049
- Teal Blue #01889F ΔE 0.060
Use #307E77 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.