#20819A
Closest named color: Teal Blue (#01889F). oklch(56.1% 0.093 219.7), rgb(32, 129, 154).
Aa
Black text reads best on this color (4.66:1).
About this color
#20819A is a medium-dark, moderately saturated teal or cyan. In OKLCH its lightness is 56%, its chroma 0.093 and its hue 220°. Its hue sits on the cool side of the wheel. The nearest named color is Teal Blue (#01889F), ΔE 0.020 away. Black text reads best on it, at 4.66:1.
| Hue family | Teals and cyans |
| Lightness | medium-dark (56%) |
| Chroma | moderately saturated (0.093) |
| Temperature | cool |
| Nearest name | Teal Blue (#01889F) |
| Black text | 4.66:1 |
| White text | 4.49:1 |
Values
| HEX | #20819A |
| RGB | rgb(32, 129, 154) |
| HSL | hsl(192, 66%, 36%) |
| OKLCH | oklch(56.1% 0.093 219.7) |
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 #20819A | 4.49:1 | AA large text | Lc -76.3 | Fine for body text |
| Black text on #20819A | 4.66:1 | AA | Lc 33.2 | Non-text elements, placeholder text |
| #20819A text on white | 4.49:1 | AA large text | Lc 70.9 | Content text, not long reading |
| #20819A text on black | 4.66:1 | AA | Lc -30.8 | 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 600.
-
Step 50
50
#F2F6F8
oklch(97.1% 0.005 228.8)
-
Step 100
100
#E2ECEF
oklch(93.6% 0.011 217.5)
-
Step 200
200
#C9DDE4
oklch(88.5% 0.023 220.8)
-
Step 300
300
#A4C8D3
oklch(81% 0.041 218.3)
-
Step 400
400
#70ABBD
oklch(70.7% 0.067 219.1)
-
Step 500
500
#4596AD
oklch(63.2% 0.086 219.2)
-
Step 600
600 (this color)
#20819A
oklch(56.1% 0.093 219.7)
-
Step 700
700
#0C6C82
oklch(49.2% 0.086 219.1)
-
Step 800
800
#11586A
oklch(42.8% 0.072 219.6)
-
Step 900
900
#184856
oklch(37.6% 0.056 220.6)
-
Step 950
950
#102A32
oklch(26.8% 0.035 220.6)
#20819A 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) | #727D9B | 0.078 |
| Deuteranopia (no green cones) | #61729A | 0.068 |
| Tritanopia (no blue cones) | #008989 | 0.042 |
| Achromatopsia (no color) | #777777 | 0.093 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #20819A
#20819A
oklch(56.1% 0.093 219.7)
- #A3614A
#A3614A
oklch(56.1% 0.093 39.9)
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 #20819A, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Teal Blue #01889F ΔE 0.020
- Ocean #017B92 ΔE 0.024
- Cerulean #457B9D ΔE 0.031
- Stormy Blue #507B9C ΔE 0.039
- Blue NCS #118AB2 ΔE 0.040
- Sea Blue #047495 ΔE 0.042
- Teal #008080 ΔE 0.044
- Dull Blue #49759C ΔE 0.044
Use #20819A 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.