#308998
Closest named color: Teal Blue (#01889F). oklch(58.4% 0.085 210.8), rgb(48, 137, 152).
Aa
Black text reads best on this color (5.15:1).
About this color
#308998 is a medium-dark, moderately saturated teal or cyan. In OKLCH its lightness is 58%, its chroma 0.085 and its hue 211°. 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 5.15:1.
| Hue family | Teals and cyans |
| Lightness | medium-dark (58%) |
| Chroma | moderately saturated (0.085) |
| Temperature | cool |
| Nearest name | Teal Blue (#01889F) |
| Black text | 5.15:1 |
| White text | 4.07:1 |
Values
| HEX | #308998 |
| RGB | rgb(48, 137, 152) |
| HSL | hsl(189, 52%, 39%) |
| OKLCH | oklch(58.4% 0.085 210.8) |
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 #308998 | 4.07:1 | AA large text | Lc -73.1 | Content text, not long reading |
| Black text on #308998 | 5.15:1 | AA | Lc 36.4 | Non-text elements, placeholder text |
| #308998 text on white | 4.07:1 | AA large text | Lc 67.6 | Content text, not long reading |
| #308998 text on black | 5.15:1 | AA | Lc -34.0 | 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
#E2ECEE
oklch(93.6% 0.011 211)
-
Step 200
200
#CADDE1
oklch(88.5% 0.021 211.8)
-
Step 300
300
#A5C8CF
oklch(81% 0.039 211.1)
-
Step 400
400
#72ABB6
oklch(70.6% 0.061 211)
-
Step 500
500
#4996A4
oklch(63% 0.078 211)
-
Step 600
600 (this color)
#308998
oklch(58.4% 0.085 210.8)
-
Step 700
700
#156C7A
oklch(49% 0.079 211.4)
-
Step 800
800
#165863
oklch(42.6% 0.066 211.2)
-
Step 900
900
#1B4951
oklch(37.7% 0.051 210.7)
-
Step 950
950
#112B2F
oklch(27% 0.033 208.6)
#308998 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) | #7D8499 | 0.081 |
| Deuteranopia (no green cones) | #6E7998 | 0.073 |
| Tritanopia (no blue cones) | #00908E | 0.033 |
| Achromatopsia (no color) | #7E7E7E | 0.086 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #308998
#308998
oklch(58.4% 0.085 210.8)
- #A8685C
#A8685C
oklch(58.4% 0.085 31.3)
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 #308998, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Teal Blue #01889F ΔE 0.019
- Dark Cyan #008B8B ΔE 0.030
- Teal Green #0A9396 ΔE 0.032
- Blue NCS #118AB2 ΔE 0.040
- Cerulean #457B9D ΔE 0.046
- Dusty Teal #4C9085 ΔE 0.046
- Teal #008080 ΔE 0.049
- Ocean #017B92 ΔE 0.049
Use #308998 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.