#019B84
Closest named color: Blue Green (#0F9B8E). oklch(61.7% 0.114 177.2), rgb(1, 155, 132).
Aa
Black text reads best on this color (6.02:1).
About this color
#019B84 is a medium-dark, moderately saturated teal or cyan. In OKLCH its lightness is 62%, its chroma 0.114 and its hue 177°. Its hue sits on the cool side of the wheel. The nearest named color is Blue Green (#0F9B8E), ΔE 0.016 away. Black text reads best on it, at 6.02:1.
| Hue family | Teals and cyans |
| Lightness | medium-dark (62%) |
| Chroma | moderately saturated (0.114) |
| Temperature | cool |
| Nearest name | Blue Green (#0F9B8E) |
| Black text | 6.02:1 |
| White text | 3.48:1 |
Values
| HEX | #019B84 |
| RGB | rgb(1, 155, 132) |
| HSL | hsl(171, 99%, 31%) |
| OKLCH | oklch(61.7% 0.114 177.2) |
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 #019B84 | 3.48:1 | AA large text | Lc -67.3 | Content text, not long reading |
| Black text on #019B84 | 6.02:1 | AA | Lc 42.3 | Non-text elements, placeholder text |
| #019B84 text on white | 3.48:1 | AA large text | Lc 61.8 | Content text, not long reading |
| #019B84 text on black | 6.02:1 | AA | Lc -39.9 | 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
#F1F7F5
oklch(97.1% 0.007 174.4)
-
Step 100
100
#DFEEEA
oklch(93.7% 0.017 178.3)
-
Step 200
200
#C5E0D9
oklch(88.5% 0.03 178.3)
-
Step 300
300
#9ACDC0
oklch(80.9% 0.056 177.4)
-
Step 400
400
#5CB3A0
oklch(70.7% 0.089 177.5)
-
Step 500
500 (this color)
#019B84
oklch(61.7% 0.114 177.2)
-
Step 600
600
#008772
oklch(55.7% 0.104 176.6)
-
Step 700
700
#007160
oklch(49.1% 0.091 177.4)
-
Step 800
800
#005D4E
oklch(42.8% 0.079 176.7)
-
Step 900
900
#004D41
oklch(37.6% 0.069 177.7)
-
Step 950
950
#042E26
oklch(27.1% 0.047 176.7)
#019B84 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) | #949083 | 0.119 |
| Deuteranopia (no green cones) | #848486 | 0.115 |
| Tritanopia (no blue cones) | #009D94 | 0.023 |
| Achromatopsia (no color) | #898989 | 0.115 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #019B84
#019B84
oklch(61.7% 0.114 177.2)
- #BB6686
#BB6686
oklch(61.7% 0.115 357)
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 #019B84, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Blue Green #0F9B8E ΔE 0.016
- Persian Green #2A9D8F ΔE 0.022
- Ocean Green #3D9973 ΔE 0.028
- Sea #3C9992 ΔE 0.034
- Teal Green #0A9396 ΔE 0.042
- Viridian #1E9167 ΔE 0.043
- Dusty Teal #4C9085 ΔE 0.045
- Jade #1FA774 ΔE 0.050
Use #019B84 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.