#019CA4
Closest named color: Teal Green (#0A9396). oklch(63% 0.107 201.2), rgb(1, 156, 164).
Aa
Black text reads best on this color (6.29:1).
About this color
#019CA4 is a medium-light, moderately saturated teal or cyan. In OKLCH its lightness is 63%, its chroma 0.107 and its hue 201°. Its hue sits on the cool side of the wheel. The nearest named color is Teal Green (#0A9396), ΔE 0.029 away. Black text reads best on it, at 6.29:1.
| Hue family | Teals and cyans |
| Lightness | medium-light (63%) |
| Chroma | moderately saturated (0.107) |
| Temperature | cool |
| Nearest name | Teal Green (#0A9396) |
| Black text | 6.29:1 |
| White text | 3.33:1 |
Values
| HEX | #019CA4 |
| RGB | rgb(1, 156, 164) |
| HSL | hsl(183, 99%, 32%) |
| OKLCH | oklch(63% 0.107 201.2) |
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 #019CA4 | 3.33:1 | AA large text | Lc -65.6 | Content text, not long reading |
| Black text on #019CA4 | 6.29:1 | AA | Lc 43.9 | Non-text elements, placeholder text |
| #019CA4 text on white | 3.33:1 | AA large text | Lc 60.2 | Content text, not long reading |
| #019CA4 text on black | 6.29:1 | AA | Lc -41.5 | 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
#F0F7F7
oklch(97.1% 0.007 197)
-
Step 100
100
#DFEDEE
oklch(93.6% 0.015 202)
-
Step 200
200
#C4DFE1
oklch(88.4% 0.029 202.1)
-
Step 300
300
#99CBCF
oklch(80.8% 0.052 202.3)
-
Step 400
400
#5AB0B6
oklch(70.6% 0.083 201.5)
-
Step 500
500 (this color)
#019CA4
oklch(63% 0.107 201.2)
-
Step 600
600
#00838A
oklch(55.5% 0.094 201.4)
-
Step 700
700
#006E74
oklch(49% 0.083 201.4)
-
Step 800
800
#005A5F
oklch(42.5% 0.072 201.4)
-
Step 900
900
#004B50
oklch(37.6% 0.064 202.5)
-
Step 950
950
#022D2F
oklch(27.1% 0.045 199.6)
#019CA4 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) | #8F94A5 | 0.109 |
| Deuteranopia (no green cones) | #7C87A5 | 0.100 |
| Tritanopia (no blue cones) | #00A39E | 0.025 |
| Achromatopsia (no color) | #8D8D8D | 0.108 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #019CA4
#019CA4
oklch(63% 0.107 201.2)
- #C26E6D
#C26E6D
oklch(63.2% 0.107 21.2)
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 #019CA4, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Teal Green #0A9396 ΔE 0.029
- Sea #3C9992 ΔE 0.030
- Blue Green #0F9B8E ΔE 0.033
- Persian Green #2A9D8F ΔE 0.033
- Cadet Blue #5F9EA0 ΔE 0.050
- Dusty Teal #4C9085 ΔE 0.052
- Dark Cyan #008B8B ΔE 0.056
- Dull Teal #5F9E8F ΔE 0.057
Use #019CA4 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.