#028B9A
Closest named color: Teal Blue (#01889F). oklch(58.3% 0.1 208.2), rgb(2, 139, 154).
Aa
Black text reads best on this color (5.16:1).
About this color
#028B9A is a medium-dark, moderately saturated teal or cyan. In OKLCH its lightness is 58%, its chroma 0.100 and its hue 208°. Its hue sits on the cool side of the wheel. The nearest named color is Teal Blue (#01889F), ΔE 0.014 away. Black text reads best on it, at 5.16:1.
| Hue family | Teals and cyans |
| Lightness | medium-dark (58%) |
| Chroma | moderately saturated (0.100) |
| Temperature | cool |
| Nearest name | Teal Blue (#01889F) |
| Black text | 5.16:1 |
| White text | 4.06:1 |
Values
| HEX | #028B9A |
| RGB | rgb(2, 139, 154) |
| HSL | hsl(186, 97%, 31%) |
| OKLCH | oklch(58.3% 0.1 208.2) |
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 #028B9A | 4.06:1 | AA large text | Lc -72.8 | Content text, not long reading |
| Black text on #028B9A | 5.16:1 | AA | Lc 36.8 | Non-text elements, placeholder text |
| #028B9A text on white | 4.06:1 | AA large text | Lc 67.3 | Content text, not long reading |
| #028B9A text on black | 5.16:1 | AA | Lc -34.4 | 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
#F1F7F7
oklch(97.2% 0.006 197.1)
-
Step 100
100
#E1ECEE
oklch(93.5% 0.012 209.8)
-
Step 200
200
#C7DEE2
oklch(88.5% 0.025 209.3)
-
Step 300
300
#A0C9D0
oklch(80.9% 0.044 209.1)
-
Step 400
400
#68ADB8
oklch(70.6% 0.071 208.6)
-
Step 500
500
#3599A7
oklch(63.2% 0.092 208.3)
-
Step 600
600 (this color)
#028B9A
oklch(58.3% 0.1 208.2)
-
Step 700
700
#006E7A
oklch(49.2% 0.085 207.9)
-
Step 800
800
#005A64
oklch(42.8% 0.073 207.9)
-
Step 900
900
#0C4A52
oklch(37.6% 0.06 208.2)
-
Step 950
950
#0B2C30
oklch(27.1% 0.038 206.4)
#028B9A 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) | #7D859B | 0.095 |
| Deuteranopia (no green cones) | #6C789A | 0.088 |
| Tritanopia (no blue cones) | #00928F | 0.031 |
| Achromatopsia (no color) | #7E7E7E | 0.100 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #028B9A
#028B9A
oklch(58.3% 0.1 208.2)
- #AE6359
#AE6359
oklch(58.2% 0.099 28.5)
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 #028B9A, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Teal Blue #01889F ΔE 0.014
- Dark Cyan #008B8B ΔE 0.024
- Teal Green #0A9396 ΔE 0.027
- Blue NCS #118AB2 ΔE 0.040
- Teal #008080 ΔE 0.046
- Ocean #017B92 ΔE 0.048
- Dusty Teal #4C9085 ΔE 0.053
- Cerulean #457B9D ΔE 0.055
Use #028B9A 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.