#019E87
Closest named color: Blue Green (#0F9B8E). oklch(62.5% 0.115 177.4), rgb(1, 158, 135).
Aa
Black text reads best on this color (6.24:1).
About this color
#019E87 is a medium-light, moderately saturated teal or cyan. In OKLCH its lightness is 63%, its chroma 0.115 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 6.24:1.
| Hue family | Teals and cyans |
| Lightness | medium-light (63%) |
| Chroma | moderately saturated (0.115) |
| Temperature | cool |
| Nearest name | Blue Green (#0F9B8E) |
| Black text | 6.24:1 |
| White text | 3.36:1 |
Values
| HEX | #019E87 |
| RGB | rgb(1, 158, 135) |
| HSL | hsl(171, 99%, 31%) |
| OKLCH | oklch(62.5% 0.115 177.4) |
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 #019E87 | 3.36:1 | AA large text | Lc -65.9 | Content text, not long reading |
| Black text on #019E87 | 6.24:1 | AA | Lc 43.6 | Non-text elements, placeholder text |
| #019E87 text on white | 3.36:1 | AA large text | Lc 60.5 | Content text, not long reading |
| #019E87 text on black | 6.24:1 | AA | Lc -41.2 | 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
#F0F7F5
oklch(97% 0.008 177.3)
-
Step 100
100
#DFEEEA
oklch(93.7% 0.017 178.3)
-
Step 200
200
#C4E0D9
oklch(88.4% 0.031 178.8)
-
Step 300
300
#9ACDC0
oklch(80.9% 0.056 177.4)
-
Step 400
400
#5BB3A0
oklch(70.7% 0.09 177.7)
-
Step 500
500 (this color)
#019E87
oklch(62.5% 0.115 177.4)
-
Step 600
600
#008673
oklch(55.5% 0.102 178.1)
-
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
#032E26
oklch(27% 0.048 176.9)
#019E87 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) | #979386 | 0.121 |
| Deuteranopia (no green cones) | #868789 | 0.115 |
| Tritanopia (no blue cones) | #00A197 | 0.023 |
| Achromatopsia (no color) | #8C8C8C | 0.116 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #019E87
#019E87
oklch(62.5% 0.115 177.4)
- #BE6888
#BE6888
oklch(62.4% 0.115 357.3)
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 #019E87, 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 0.018
- Ocean Green #3D9973 ΔE 0.030
- Sea #3C9992 ΔE 0.034
- Jade #1FA774 ΔE 0.045
- Teal Green #0A9396 ΔE 0.046
- Dusty Teal #4C9085 ΔE 0.049
- Grey Teal #5E9B8A ΔE 0.050
Use #019E87 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.