#019BB0
Closest named color: Teal Green (#0A9396). oklch(63.3% 0.11 211.5), rgb(1, 155, 176).
Aa
Black text reads best on this color (6.31:1).
About this color
#019BB0 is a medium-light, moderately saturated teal or cyan. In OKLCH its lightness is 63%, its chroma 0.110 and its hue 212°. Its hue sits on the cool side of the wheel. The nearest named color is Teal Green (#0A9396), ΔE 0.041 away. Black text reads best on it, at 6.31:1.
| Hue family | Teals and cyans |
| Lightness | medium-light (63%) |
| Chroma | moderately saturated (0.110) |
| Temperature | cool |
| Nearest name | Teal Green (#0A9396) |
| Black text | 6.31:1 |
| White text | 3.32:1 |
Values
| HEX | #019BB0 |
| RGB | rgb(1, 155, 176) |
| HSL | hsl(187, 99%, 35%) |
| OKLCH | oklch(63.3% 0.11 211.5) |
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 #019BB0 | 3.32:1 | AA large text | Lc -65.5 | Content text, not long reading |
| Black text on #019BB0 | 6.31:1 | AA | Lc 44.0 | Non-text elements, placeholder text |
| #019BB0 text on white | 3.32:1 | AA large text | Lc 60.0 | Content text, not long reading |
| #019BB0 text on black | 6.31:1 | AA | Lc -41.7 | 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
#F0F7F8
oklch(97.1% 0.008 207.1)
-
Step 100
100
#DFEDF0
oklch(93.7% 0.015 212)
-
Step 200
200
#C4DFE4
oklch(88.5% 0.029 210)
-
Step 300
300
#99CAD5
oklch(80.8% 0.053 213)
-
Step 400
400
#59AFBF
oklch(70.7% 0.086 211.2)
-
Step 500
500 (this color)
#019BB0
oklch(63.3% 0.11 211.5)
-
Step 600
600
#008294
oklch(55.7% 0.097 211.6)
-
Step 700
700
#006D7C
oklch(49% 0.085 211.2)
-
Step 800
800
#005966
oklch(42.6% 0.074 211.8)
-
Step 900
900
#004A55
oklch(37.5% 0.065 211.6)
-
Step 950
950
#022C33
oklch(27% 0.045 211.6)
#019BB0 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) | #8A95B1 | 0.101 |
| Deuteranopia (no green cones) | #7787B0 | 0.092 |
| Tritanopia (no blue cones) | #00A4A1 | 0.040 |
| Achromatopsia (no color) | #8D8D8D | 0.110 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #019BB0
#019BB0
oklch(63.3% 0.11 211.5)
- #C36F60
#C36F60
oklch(63.2% 0.11 31.1)
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 #019BB0, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Teal Green #0A9396 ΔE 0.041
- Sea #3C9992 ΔE 0.046
- Blue NCS #118AB2 ΔE 0.051
- Blue Green #0F9B8E ΔE 0.053
- Persian Green #2A9D8F ΔE 0.053
- Cadet Blue #5F9EA0 ΔE 0.055
- Teal Blue #01889F ΔE 0.057
- Turquoise Blue #06B1C4 ΔE 0.064
Use #019BB0 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.