#308BA1
Closest named color: Teal Blue (#01889F). oklch(59.3% 0.09 217.1), rgb(48, 139, 161).
Aa
Black text reads best on this color (5.33:1).
About this color
#308BA1 is a medium-dark, moderately saturated teal or cyan. In OKLCH its lightness is 59%, its chroma 0.090 and its hue 217°. Its hue sits on the cool side of the wheel. The nearest named color is Teal Blue (#01889F), ΔE 0.020 away. Black text reads best on it, at 5.33:1.
| Hue family | Teals and cyans |
| Lightness | medium-dark (59%) |
| Chroma | moderately saturated (0.090) |
| Temperature | cool |
| Nearest name | Teal Blue (#01889F) |
| Black text | 5.33:1 |
| White text | 3.93:1 |
Values
| HEX | #308BA1 |
| RGB | rgb(48, 139, 161) |
| HSL | hsl(192, 54%, 41%) |
| OKLCH | oklch(59.3% 0.09 217.1) |
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 #308BA1 | 3.93:1 | AA large text | Lc -72.0 | Content text, not long reading |
| Black text on #308BA1 | 5.33:1 | AA | Lc 37.6 | Non-text elements, placeholder text |
| #308BA1 text on white | 3.93:1 | AA large text | Lc 66.5 | Content text, not long reading |
| #308BA1 text on black | 5.33:1 | AA | Lc -35.2 | 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
#F2F6F8
oklch(97.1% 0.005 228.8)
-
Step 100
100
#E2ECEF
oklch(93.6% 0.011 217.5)
-
Step 200
200
#CADDE3
oklch(88.5% 0.022 218.6)
-
Step 300
300
#A4C8D2
oklch(81% 0.041 216.5)
-
Step 400
400
#71ABBB
oklch(70.7% 0.065 217)
-
Step 500
500
#4796AA
oklch(63.1% 0.083 216.7)
-
Step 600
600 (this color)
#308BA1
oklch(59.3% 0.09 217.1)
-
Step 700
700
#106C80
oklch(49.2% 0.084 217.4)
-
Step 800
800
#145868
oklch(42.7% 0.069 217.6)
-
Step 900
900
#194954
oklch(37.8% 0.054 215.6)
-
Step 950
950
#112B31
oklch(27.1% 0.034 214.8)
#308BA1 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) | #7C87A2 | 0.077 |
| Deuteranopia (no green cones) | #6D7BA1 | 0.071 |
| Tritanopia (no blue cones) | #009392 | 0.041 |
| Achromatopsia (no color) | #808080 | 0.090 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #308BA1
#308BA1
oklch(59.3% 0.09 217.1)
- #AC6A57
#AC6A57
oklch(59.2% 0.09 36.8)
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 #308BA1, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Teal Blue #01889F ΔE 0.020
- Blue NCS #118AB2 ΔE 0.029
- Teal Green #0A9396 ΔE 0.036
- Dark Cyan #008B8B ΔE 0.041
- Dusty Blue #5A86AD ΔE 0.045
- Off Blue #5684AE ΔE 0.045
- Cerulean #457B9D ΔE 0.046
- Steel Blue #4682B4 ΔE 0.048
Use #308BA1 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.