#028099
Closest named color: Ocean (#017B92). oklch(55.4% 0.099 218), rgb(2, 128, 153).
Aa
White text reads best on this color (4.61:1).
About this color
#028099 is a medium-dark, moderately saturated teal or cyan. In OKLCH its lightness is 55%, its chroma 0.099 and its hue 218°. Its hue sits on the cool side of the wheel. The nearest named color is Ocean (#017B92), ΔE 0.017 away. White text reads best on it, at 4.61:1.
| Hue family | Teals and cyans |
| Lightness | medium-dark (55%) |
| Chroma | moderately saturated (0.099) |
| Temperature | cool |
| Nearest name | Ocean (#017B92) |
| Black text | 4.55:1 |
| White text | 4.61:1 |
Values
| HEX | #028099 |
| RGB | rgb(2, 128, 153) |
| HSL | hsl(190, 97%, 30%) |
| OKLCH | oklch(55.4% 0.099 218) |
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 #028099 | 4.61:1 | AA | Lc -76.9 | Fine for body text |
| Black text on #028099 | 4.55:1 | AA | Lc 32.6 | Non-text elements, placeholder text |
| #028099 text on white | 4.61:1 | AA | Lc 71.5 | Content text, not long reading |
| #028099 text on black | 4.55:1 | AA | Lc -30.2 | 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
#F1F6F8
oklch(97% 0.006 223.5)
-
Step 100
100
#E1ECF0
oklch(93.6% 0.013 221.4)
-
Step 200
200
#C8DDE4
oklch(88.4% 0.024 219.7)
-
Step 300
300
#A1C8D4
oklch(80.9% 0.045 218.5)
-
Step 400
400
#6BACBE
oklch(70.7% 0.071 217.4)
-
Step 500
500
#3C97AE
oklch(63.2% 0.091 217.5)
-
Step 600
600 (this color)
#028099
oklch(55.4% 0.099 218)
-
Step 700
700
#006C82
oklch(49.1% 0.088 218.4)
-
Step 800
800
#01596B
oklch(42.8% 0.077 217.8)
-
Step 900
900
#124956
oklch(37.7% 0.059 217.2)
-
Step 950
950
#0D2B33
oklch(27.1% 0.038 218.3)
#028099 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) | #707C9A | 0.084 |
| Deuteranopia (no green cones) | #5F6F99 | 0.077 |
| Tritanopia (no blue cones) | #008888 | 0.042 |
| Achromatopsia (no color) | #757575 | 0.099 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #028099
#028099
oklch(55.4% 0.099 218)
- #A45D47
#A45D47
oklch(55.5% 0.099 38)
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 #028099, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Ocean #017B92 ΔE 0.017
- Teal Blue #01889F ΔE 0.024
- Sea Blue #047495 ΔE 0.036
- Cerulean #457B9D ΔE 0.038
- Teal #008080 ΔE 0.040
- Deep Aqua #08787F ΔE 0.042
- Blue NCS #118AB2 ΔE 0.045
- Nice Blue #107AB0 ΔE 0.045
Use #028099 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.