#308AA1
Closest named color: Teal Blue (#01889F). oklch(59% 0.09 218.2), rgb(48, 138, 161).
Aa
Black text reads best on this color (5.27:1).
About this color
#308AA1 is a medium-dark, moderately saturated teal or cyan. In OKLCH its lightness is 59%, its chroma 0.090 and its hue 218°. Its hue sits on the cool side of the wheel. The nearest named color is Teal Blue (#01889F), ΔE 0.019 away. Black text reads best on it, at 5.27:1.
| Hue family | Teals and cyans |
| Lightness | medium-dark (59%) |
| Chroma | moderately saturated (0.090) |
| Temperature | cool |
| Nearest name | Teal Blue (#01889F) |
| Black text | 5.27:1 |
| White text | 3.98:1 |
Values
| HEX | #308AA1 |
| RGB | rgb(48, 138, 161) |
| HSL | hsl(192, 54%, 41%) |
| OKLCH | oklch(59% 0.09 218.2) |
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 #308AA1 | 3.98:1 | AA large text | Lc -72.3 | Content text, not long reading |
| Black text on #308AA1 | 5.27:1 | AA | Lc 37.2 | Non-text elements, placeholder text |
| #308AA1 text on white | 3.98:1 | AA large text | Lc 66.8 | Content text, not long reading |
| #308AA1 text on black | 5.27:1 | AA | Lc -34.8 | 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 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
#A4C7D2
oklch(80.8% 0.04 218.8)
-
Step 400
400
#71ABBC
oklch(70.7% 0.065 218.2)
-
Step 500
500
#4896AB
oklch(63.2% 0.082 217.9)
-
Step 600
600 (this color)
#308AA1
oklch(59% 0.09 218.2)
-
Step 700
700
#126C80
oklch(49.2% 0.083 217.6)
-
Step 800
800
#145868
oklch(42.7% 0.069 217.6)
-
Step 900
900
#1A4855
oklch(37.6% 0.054 219.6)
-
Step 950
950
#112A32
oklch(26.9% 0.034 221.3)
#308AA1 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) | #7B86A2 | 0.076 |
| Deuteranopia (no green cones) | #6B7AA1 | 0.069 |
| Tritanopia (no blue cones) | #009291 | 0.043 |
| Achromatopsia (no color) | #7F7F7F | 0.090 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #308AA1
#308AA1
oklch(59% 0.09 218.2)
- #AB6A55
#AB6A55
oklch(59% 0.09 38.7)
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 #308AA1, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Teal Blue #01889F ΔE 0.019
- Blue NCS #118AB2 ΔE 0.028
- Teal Green #0A9396 ΔE 0.038
- Dark Cyan #008B8B ΔE 0.042
- Cerulean #457B9D ΔE 0.044
- Off Blue #5684AE ΔE 0.044
- Dusty Blue #5A86AD ΔE 0.044
- Steel Blue #4682B4 ΔE 0.046
Use #308AA1 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.