#309E7D
Closest named color: Ocean Green (#3D9973). oklch(62.9% 0.11 168.8), rgb(48, 158, 125).
Aa
Black text reads best on this color (6.31:1).
About this color
#309E7D is a medium-light, moderately saturated green. In OKLCH its lightness is 63%, its chroma 0.110 and its hue 169°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Ocean Green (#3D9973), ΔE 0.017 away. Black text reads best on it, at 6.31:1.
| Hue family | Greens |
| Lightness | medium-light (63%) |
| Chroma | moderately saturated (0.110) |
| Temperature | in between |
| Nearest name | Ocean Green (#3D9973) |
| Black text | 6.31:1 |
| White text | 3.32:1 |
Values
| HEX | #309E7D |
| RGB | rgb(48, 158, 125) |
| HSL | hsl(162, 53%, 40%) |
| OKLCH | oklch(62.9% 0.11 168.8) |
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 #309E7D | 3.32:1 | AA large text | Lc -65.8 | Content text, not long reading |
| Black text on #309E7D | 6.31:1 | AA | Lc 43.7 | Non-text elements, placeholder text |
| #309E7D text on white | 3.32:1 | AA large text | Lc 60.3 | Content text, not long reading |
| #309E7D text on black | 6.31:1 | AA | Lc -41.4 | Non-text elements, placeholder text |
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 500.
-
Step 50
50
#F1F7F4
oklch(97.1% 0.007 164.9)
-
Step 100
100
#E0EDE8
oklch(93.5% 0.015 171)
-
Step 200
200
#C7E0D6
oklch(88.5% 0.03 169.6)
-
Step 300
300
#9FCCBA
oklch(80.8% 0.054 168.6)
-
Step 400
400
#66B297
oklch(70.6% 0.086 168.9)
-
Step 500
500 (this color)
#309E7D
oklch(62.9% 0.11 168.8)
-
Step 600
600
#008868
oklch(55.7% 0.112 168.9)
-
Step 700
700
#007257
oklch(49.1% 0.098 169.1)
-
Step 800
800
#005E47
oklch(42.8% 0.086 168.9)
-
Step 900
900
#084E3B
oklch(37.8% 0.072 168.7)
-
Step 950
950
#0A2D22
oklch(26.8% 0.045 168.6)
#309E7D 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) | #9A937B | 0.112 |
| Deuteranopia (no green cones) | #8B887F | 0.108 |
| Tritanopia (no blue cones) | #009F95 | 0.035 |
| Achromatopsia (no color) | #8D8D8D | 0.111 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #309E7D
#309E7D
oklch(62.9% 0.11 168.8)
- #BA6C94
#BA6C94
oklch(63% 0.111 348.7)
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 #309E7D, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Ocean Green #3D9973 ΔE 0.017
- Persian Green #2A9D8F ΔE 0.028
- Blue Green #0F9B8E ΔE 0.031
- Jade #1FA774 ΔE 0.034
- Sea #3C9992 ΔE 0.040
- Grey Teal #5E9B8A ΔE 0.045
- Viridian #1E9167 ΔE 0.046
- Dull Teal #5F9E8F ΔE 0.049
Use #309E7D 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.