#308A91
Closest named color: Dark Cyan (#008B8B). oklch(58.4% 0.084 202.5), rgb(48, 138, 145).
Aa
Black text reads best on this color (5.16:1).
About this color
#308A91 is a medium-dark, moderately saturated teal or cyan. In OKLCH its lightness is 58%, its chroma 0.084 and its hue 202°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Cyan (#008B8B), ΔE 0.020 away. Black text reads best on it, at 5.16:1.
| Hue family | Teals and cyans |
| Lightness | medium-dark (58%) |
| Chroma | moderately saturated (0.084) |
| Temperature | cool |
| Nearest name | Dark Cyan (#008B8B) |
| Black text | 5.16:1 |
| White text | 4.06:1 |
Values
| HEX | #308A91 |
| RGB | rgb(48, 138, 145) |
| HSL | hsl(184, 50%, 38%) |
| OKLCH | oklch(58.4% 0.084 202.5) |
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 #308A91 | 4.06:1 | AA large text | Lc -73.1 | Content text, not long reading |
| Black text on #308A91 | 5.16:1 | AA | Lc 36.5 | Non-text elements, placeholder text |
| #308A91 text on white | 4.06:1 | AA large text | Lc 67.6 | Content text, not long reading |
| #308A91 text on black | 5.16:1 | AA | Lc -34.1 | 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 600.
-
Step 50
50
#F2F6F7
oklch(97% 0.004 214.3)
-
Step 100
100
#E2ECED
oklch(93.6% 0.011 204.1)
-
Step 200
200
#CADDDF
oklch(88.4% 0.021 204.4)
-
Step 300
300
#A5C8CB
oklch(80.8% 0.038 202.8)
-
Step 400
400
#73ACB1
oklch(70.7% 0.06 202.9)
-
Step 500
500
#49979E
oklch(63% 0.077 203.2)
-
Step 600
600 (this color)
#308A91
oklch(58.4% 0.084 202.5)
-
Step 700
700
#156D74
oklch(49% 0.078 203.2)
-
Step 800
800
#16595E
oklch(42.6% 0.064 202.4)
-
Step 900
900
#1B494D
oklch(37.6% 0.05 203.1)
-
Step 950
950
#112B2D
oklch(27% 0.032 202.1)
#308A91 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) | #7F8492 | 0.084 |
| Deuteranopia (no green cones) | #717991 | 0.078 |
| Tritanopia (no blue cones) | #008F8C | 0.024 |
| Achromatopsia (no color) | #7E7E7E | 0.084 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #308A91
#308A91
oklch(58.4% 0.084 202.5)
- #A86764
#A86764
oklch(58.4% 0.084 22.8)
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 #308A91, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Cyan #008B8B ΔE 0.020
- Teal Green #0A9396 ΔE 0.027
- Teal Blue #01889F ΔE 0.028
- Dusty Teal #4C9085 ΔE 0.037
- Teal #008080 ΔE 0.043
- Sea #3C9992 ΔE 0.047
- Blue NCS #118AB2 ΔE 0.052
- Ocean #017B92 ΔE 0.053
Use #308A91 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.