#019DAD
Closest named color: Teal Green (#0A9396). oklch(63.6% 0.109 207.5), rgb(1, 157, 173).
Aa
Black text reads best on this color (6.42:1).
About this color
#019DAD is a medium-light, moderately saturated teal or cyan. In OKLCH its lightness is 64%, its chroma 0.109 and its hue 208°. Its hue sits on the cool side of the wheel. The nearest named color is Teal Green (#0A9396), ΔE 0.040 away. Black text reads best on it, at 6.42:1.
| Hue family | Teals and cyans |
| Lightness | medium-light (64%) |
| Chroma | moderately saturated (0.109) |
| Temperature | cool |
| Nearest name | Teal Green (#0A9396) |
| Black text | 6.42:1 |
| White text | 3.26:1 |
Values
| HEX | #019DAD |
| RGB | rgb(1, 157, 173) |
| HSL | hsl(186, 99%, 34%) |
| OKLCH | oklch(63.6% 0.109 207.5) |
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 #019DAD | 3.26:1 | AA large text | Lc -64.8 | Content text, not long reading |
| Black text on #019DAD | 6.42:1 | AA | Lc 44.7 | Non-text elements, placeholder text |
| #019DAD text on white | 3.26:1 | AA large text | Lc 59.4 | Large or bold text, headings |
| #019DAD text on black | 6.42:1 | AA | Lc -42.4 | 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
#DFEDEF
oklch(93.6% 0.015 207.1)
-
Step 200
200
#C4DFE3
oklch(88.5% 0.029 207.4)
-
Step 300
300
#99CBD2
oklch(80.9% 0.053 206.9)
-
Step 400
400
#59B0BC
oklch(70.8% 0.085 207.3)
-
Step 500
500 (this color)
#019DAD
oklch(63.6% 0.109 207.5)
-
Step 600
600
#008290
oklch(55.5% 0.095 208)
-
Step 700
700
#006E79
oklch(49.2% 0.084 206.9)
-
Step 800
800
#005A64
oklch(42.8% 0.073 207.9)
-
Step 900
900
#004B53
oklch(37.7% 0.065 207)
-
Step 950
950
#022C32
oklch(26.9% 0.045 209.3)
#019DAD 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) | #8E96AE | 0.105 |
| Deuteranopia (no green cones) | #7A88AD | 0.096 |
| Tritanopia (no blue cones) | #00A5A2 | 0.033 |
| Achromatopsia (no color) | #8E8E8E | 0.110 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #019DAD
#019DAD
oklch(63.6% 0.109 207.5)
- #C57066
#C57066
oklch(63.7% 0.109 27.6)
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 #019DAD, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Teal Green #0A9396 ΔE 0.040
- Sea #3C9992 ΔE 0.040
- Persian Green #2A9D8F ΔE 0.046
- Blue Green #0F9B8E ΔE 0.046
- Cadet Blue #5F9EA0 ΔE 0.051
- Blue NCS #118AB2 ΔE 0.059
- Turquoise Blue #06B1C4 ΔE 0.060
- Teal Blue #01889F ΔE 0.062
Use #019DAD 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.