#308198
Closest named color: Teal Blue (#01889F). oklch(56.4% 0.084 220.1), rgb(48, 129, 152).
Aa
Black text reads best on this color (4.71:1).
About this color
#308198 is a medium-dark, moderately saturated teal or cyan. In OKLCH its lightness is 56%, its chroma 0.084 and its hue 220°. Its hue sits on the cool side of the wheel. The nearest named color is Teal Blue (#01889F), ΔE 0.023 away. Black text reads best on it, at 4.71:1.
| Hue family | Teals and cyans |
| Lightness | medium-dark (56%) |
| Chroma | moderately saturated (0.084) |
| Temperature | cool |
| Nearest name | Teal Blue (#01889F) |
| Black text | 4.71:1 |
| White text | 4.44:1 |
Values
| HEX | #308198 |
| RGB | rgb(48, 129, 152) |
| HSL | hsl(193, 52%, 39%) |
| OKLCH | oklch(56.4% 0.084 220.1) |
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 #308198 | 4.44:1 | AA large text | Lc -76.1 | Fine for body text |
| Black text on #308198 | 4.71:1 | AA | Lc 33.5 | Non-text elements, placeholder text |
| #308198 text on white | 4.44:1 | AA large text | Lc 70.6 | Content text, not long reading |
| #308198 text on black | 4.71:1 | AA | Lc -31.1 | 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
#F2F6F8
oklch(97.1% 0.005 228.8)
-
Step 100
100
#E2ECEF
oklch(93.6% 0.011 217.5)
-
Step 200
200
#CBDDE3
oklch(88.6% 0.021 219.7)
-
Step 300
300
#A6C7D2
oklch(80.9% 0.039 220)
-
Step 400
400
#75AABB
oklch(70.7% 0.061 219.9)
-
Step 500
500
#4E95AA
oklch(63.2% 0.078 219.4)
-
Step 600
600 (this color)
#308198
oklch(56.4% 0.084 220.1)
-
Step 700
700
#1E6B80
oklch(49.2% 0.079 220.3)
-
Step 800
800
#1C5768
oklch(42.7% 0.065 220.7)
-
Step 900
900
#1E4854
oklch(37.7% 0.051 219.3)
-
Step 950
950
#132A31
oklch(27% 0.032 219.8)
#308198 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) | #737E99 | 0.070 |
| Deuteranopia (no green cones) | #647398 | 0.062 |
| Tritanopia (no blue cones) | #008988 | 0.044 |
| Achromatopsia (no color) | #777777 | 0.085 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #308198
#308198
oklch(56.4% 0.084 220.1)
- #A0644F
#A0644F
oklch(56.4% 0.084 40)
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 #308198, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Teal Blue #01889F ΔE 0.023
- Cerulean #457B9D ΔE 0.026
- Ocean #017B92 ΔE 0.029
- Stormy Blue #507B9C ΔE 0.033
- Dull Blue #49759C ΔE 0.041
- Blue NCS #118AB2 ΔE 0.042
- Dark Cyan #008B8B ΔE 0.044
- Metallic Blue #4F738E ΔE 0.044
Use #308198 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.