#028C9F
Closest named color: Teal Blue (#01889F). oklch(58.7% 0.102 211.5), rgb(2, 140, 159).
Aa
Black text reads best on this color (5.25:1).
About this color
#028C9F is a medium-dark, moderately saturated teal or cyan. In OKLCH its lightness is 59%, its chroma 0.102 and its hue 211°. Its hue sits on the cool side of the wheel. The nearest named color is Teal Blue (#01889F), ΔE 0.012 away. Black text reads best on it, at 5.25:1.
| Hue family | Teals and cyans |
| Lightness | medium-dark (59%) |
| Chroma | moderately saturated (0.102) |
| Temperature | cool |
| Nearest name | Teal Blue (#01889F) |
| Black text | 5.25:1 |
| White text | 3.99:1 |
Values
| HEX | #028C9F |
| RGB | rgb(2, 140, 159) |
| HSL | hsl(187, 98%, 32%) |
| OKLCH | oklch(58.7% 0.102 211.5) |
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 #028C9F | 3.99:1 | AA large text | Lc -72.2 | Content text, not long reading |
| Black text on #028C9F | 5.25:1 | AA | Lc 37.4 | Non-text elements, placeholder text |
| #028C9F text on white | 3.99:1 | AA large text | Lc 66.7 | Content text, not long reading |
| #028C9F text on black | 5.25:1 | AA | Lc -35.0 | 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
#F1F7F8
oklch(97.2% 0.007 208.8)
-
Step 100
100
#E0ECEF
oklch(93.5% 0.013 214.4)
-
Step 200
200
#C7DEE3
oklch(88.5% 0.025 212.2)
-
Step 300
300
#9FC9D2
oklch(80.9% 0.046 212.2)
-
Step 400
400
#67ADBB
oklch(70.7% 0.073 211.8)
-
Step 500
500
#3498AA
oklch(63% 0.094 211.9)
-
Step 600
600 (this color)
#028C9F
oklch(58.7% 0.102 211.5)
-
Step 700
700
#006D7C
oklch(49% 0.085 211.2)
-
Step 800
800
#005966
oklch(42.6% 0.074 211.8)
-
Step 900
900
#0B4A54
oklch(37.7% 0.061 211.2)
-
Step 950
950
#0B2B31
oklch(26.9% 0.038 212.2)
#028C9F 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) | #7D87A0 | 0.094 |
| Deuteranopia (no green cones) | #6B7A9F | 0.085 |
| Tritanopia (no blue cones) | #009492 | 0.036 |
| Achromatopsia (no color) | #7F7F7F | 0.102 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #028C9F
#028C9F
oklch(58.7% 0.102 211.5)
- #B16456
#B16456
oklch(58.7% 0.102 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 #028C9F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Teal Blue #01889F ΔE 0.012
- Teal Green #0A9396 ΔE 0.029
- Dark Cyan #008B8B ΔE 0.031
- Blue NCS #118AB2 ΔE 0.033
- Ocean #017B92 ΔE 0.051
- Teal #008080 ΔE 0.053
- Cerulean #457B9D ΔE 0.055
- Dusty Teal #4C9085 ΔE 0.056
Use #028C9F 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.