#298F99
Closest named color: Teal Green (#0A9396). oklch(59.8% 0.091 204.7), rgb(41, 143, 153).
Aa
Black text reads best on this color (5.48:1).
About this color
#298F99 is a medium-dark, moderately saturated teal or cyan. In OKLCH its lightness is 60%, its chroma 0.091 and its hue 205°. Its hue sits on the cool side of the wheel. The nearest named color is Teal Green (#0A9396), ΔE 0.017 away. Black text reads best on it, at 5.48:1.
| Hue family | Teals and cyans |
| Lightness | medium-dark (60%) |
| Chroma | moderately saturated (0.091) |
| Temperature | cool |
| Nearest name | Teal Green (#0A9396) |
| Black text | 5.48:1 |
| White text | 3.82:1 |
Values
| HEX | #298F99 |
| RGB | rgb(41, 143, 153) |
| HSL | hsl(185, 58%, 38%) |
| OKLCH | oklch(59.8% 0.091 204.7) |
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 #298F99 | 3.82:1 | AA large text | Lc -71.0 | Content text, not long reading |
| Black text on #298F99 | 5.48:1 | AA | Lc 38.6 | Non-text elements, placeholder text |
| #298F99 text on white | 3.82:1 | AA large text | Lc 65.5 | Content text, not long reading |
| #298F99 text on black | 5.48:1 | AA | Lc -36.2 | 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 500.
-
Step 50
50
#F1F7F7
oklch(97.2% 0.006 197.1)
-
Step 100
100
#E1ECEE
oklch(93.5% 0.012 209.8)
-
Step 200
200
#C7DEE1
oklch(88.4% 0.025 206.2)
-
Step 300
300
#A0C9CE
oklch(80.8% 0.044 205.5)
-
Step 400
400
#68AEB5
oklch(70.7% 0.071 203.9)
-
Step 500
500 (this color)
#298F99
oklch(59.8% 0.091 204.7)
-
Step 600
600
#00838D
oklch(55.6% 0.095 204.2)
-
Step 700
700
#006E77
oklch(49.1% 0.084 204.7)
-
Step 800
800
#005A62
oklch(42.7% 0.073 205.3)
-
Step 900
900
#0D4A50
oklch(37.6% 0.059 205)
-
Step 950
950
#0B2C2F
oklch(27.1% 0.038 203.6)
#298F99 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) | #83899A | 0.090 |
| Deuteranopia (no green cones) | #737D99 | 0.083 |
| Tritanopia (no blue cones) | #009592 | 0.026 |
| Achromatopsia (no color) | #828282 | 0.091 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #298F99
#298F99
oklch(59.8% 0.091 204.7)
- #AF6964
#AF6964
oklch(59.7% 0.091 24.5)
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 #298F99, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Teal Green #0A9396 ΔE 0.017
- Dark Cyan #008B8B ΔE 0.028
- Teal Blue #01889F ΔE 0.029
- Dusty Teal #4C9085 ΔE 0.038
- Sea #3C9992 ΔE 0.038
- Blue Green #0F9B8E ΔE 0.045
- Blue NCS #118AB2 ΔE 0.046
- Persian Green #2A9D8F ΔE 0.050
Use #298F99 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.