#30937B
Closest named color: Ocean Green (#3D9973). oklch(60% 0.098 173.5), rgb(48, 147, 123).
Aa
Black text reads best on this color (5.58:1).
About this color
#30937B is a medium-dark, moderately saturated teal or cyan. In OKLCH its lightness is 60%, its chroma 0.098 and its hue 173°. Its hue sits on the cool side of the wheel. The nearest named color is Ocean Green (#3D9973), ΔE 0.026 away. Black text reads best on it, at 5.58:1.
| Hue family | Teals and cyans |
| Lightness | medium-dark (60%) |
| Chroma | moderately saturated (0.098) |
| Temperature | cool |
| Nearest name | Ocean Green (#3D9973) |
| Black text | 5.58:1 |
| White text | 3.75:1 |
Values
| HEX | #30937B |
| RGB | rgb(48, 147, 123) |
| HSL | hsl(165, 51%, 38%) |
| OKLCH | oklch(60% 0.098 173.5) |
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 #30937B | 3.75:1 | AA large text | Lc -70.3 | Content text, not long reading |
| Black text on #30937B | 5.58:1 | AA | Lc 39.2 | Non-text elements, placeholder text |
| #30937B text on white | 3.75:1 | AA large text | Lc 64.8 | Content text, not long reading |
| #30937B text on black | 5.58:1 | AA | Lc -36.8 | 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
#F1F7F5
oklch(97.1% 0.007 174.4)
-
Step 100
100
#E1EDE9
oklch(93.6% 0.014 174.2)
-
Step 200
200
#C8DFD7
oklch(88.4% 0.027 172.8)
-
Step 300
300
#A1CBBE
oklch(80.8% 0.048 174.2)
-
Step 400
400
#6BB19C
oklch(70.8% 0.078 172.8)
-
Step 500
500 (this color)
#30937B
oklch(60% 0.098 173.5)
-
Step 600
600
#00876E
oklch(55.6% 0.106 173.6)
-
Step 700
700
#00725C
oklch(49.2% 0.094 173.1)
-
Step 800
800
#005D4B
oklch(42.7% 0.081 173.5)
-
Step 900
900
#114C3F
oklch(37.6% 0.063 174.6)
-
Step 950
950
#0D2D25
oklch(27.1% 0.041 174)
#30937B 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) | #8E8A7A | 0.101 |
| Deuteranopia (no green cones) | #807F7D | 0.098 |
| Tritanopia (no blue cones) | #00958C | 0.026 |
| Achromatopsia (no color) | #848484 | 0.099 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #30937B
#30937B
oklch(60% 0.098 173.5)
- #AD6785
#AD6785
oklch(60% 0.097 353.2)
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 #30937B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Ocean Green #3D9973 ΔE 0.026
- Dusty Teal #4C9085 ΔE 0.030
- Blue Green #0F9B8E ΔE 0.030
- Viridian #1E9167 ΔE 0.032
- Persian Green #2A9D8F ΔE 0.035
- Sea #3C9992 ΔE 0.037
- Teal Green #0A9396 ΔE 0.041
- Dark Cyan #008B8B ΔE 0.043
Use #30937B 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.