#2191A3
Closest named color: Teal Green (#0A9396). oklch(60.5% 0.097 211.3), rgb(33, 145, 163).
Aa
Black text reads best on this color (5.64:1).
About this color
#2191A3 is a medium-dark, moderately saturated teal or cyan. In OKLCH its lightness is 61%, its chroma 0.097 and its hue 211°. Its hue sits on the cool side of the wheel. The nearest named color is Teal Green (#0A9396), ΔE 0.024 away. Black text reads best on it, at 5.64:1.
| Hue family | Teals and cyans |
| Lightness | medium-dark (61%) |
| Chroma | moderately saturated (0.097) |
| Temperature | cool |
| Nearest name | Teal Green (#0A9396) |
| Black text | 5.64:1 |
| White text | 3.72:1 |
Values
| HEX | #2191A3 |
| RGB | rgb(33, 145, 163) |
| HSL | hsl(188, 66%, 38%) |
| OKLCH | oklch(60.5% 0.097 211.3) |
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 #2191A3 | 3.72:1 | AA large text | Lc -69.9 | Content text, not long reading |
| Black text on #2191A3 | 5.64:1 | AA | Lc 39.7 | Non-text elements, placeholder text |
| #2191A3 text on white | 3.72:1 | AA large text | Lc 64.4 | Content text, not long reading |
| #2191A3 text on black | 5.64:1 | AA | Lc -37.3 | 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
#F1F7F8
oklch(97.2% 0.007 208.8)
-
Step 100
100
#E0EDEF
oklch(93.7% 0.014 207.9)
-
Step 200
200
#C6DEE3
oklch(88.4% 0.026 211.6)
-
Step 300
300
#9EC9D2
oklch(80.8% 0.047 211.9)
-
Step 400
400
#64AEBC
oklch(70.8% 0.076 211.1)
-
Step 500
500 (this color)
#2191A3
oklch(60.5% 0.097 211.3)
-
Step 600
600
#008293
oklch(55.6% 0.096 210.7)
-
Step 700
700
#006D7C
oklch(49% 0.085 211.2)
-
Step 800
800
#005966
oklch(42.6% 0.074 211.8)
-
Step 900
900
#054A55
oklch(37.6% 0.064 212.1)
-
Step 950
950
#092C32
oklch(27.2% 0.04 211.2)
#2191A3 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) | #838CA4 | 0.091 |
| Deuteranopia (no green cones) | #717FA3 | 0.082 |
| Tritanopia (no blue cones) | #009996 | 0.037 |
| Achromatopsia (no color) | #848484 | 0.098 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #2191A3
#2191A3
oklch(60.5% 0.097 211.3)
- #B56B5D
#B56B5D
oklch(60.6% 0.098 31.5)
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 #2191A3, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Teal Green #0A9396 ΔE 0.024
- Teal Blue #01889F ΔE 0.029
- Blue NCS #118AB2 ΔE 0.036
- Dark Cyan #008B8B ΔE 0.040
- Sea #3C9992 ΔE 0.043
- Dusty Teal #4C9085 ΔE 0.049
- Blue Green #0F9B8E ΔE 0.051
- Persian Green #2A9D8F ΔE 0.055
Use #2191A3 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.