#2182A2
Closest named color: Teal Blue (#01889F). oklch(56.7% 0.098 225.4), rgb(33, 130, 162).
Aa
Black text reads best on this color (4.77:1).
About this color
#2182A2 is a medium-dark, moderately saturated teal or cyan. In OKLCH its lightness is 57%, its chroma 0.098 and its hue 225°. Its hue sits on the cool side of the wheel. The nearest named color is Teal Blue (#01889F), ΔE 0.021 away. Black text reads best on it, at 4.77:1.
| Hue family | Teals and cyans |
| Lightness | medium-dark (57%) |
| Chroma | moderately saturated (0.098) |
| Temperature | cool |
| Nearest name | Teal Blue (#01889F) |
| Black text | 4.77:1 |
| White text | 4.39:1 |
Values
| HEX | #2182A2 |
| RGB | rgb(33, 130, 162) |
| HSL | hsl(195, 66%, 38%) |
| OKLCH | oklch(56.7% 0.098 225.4) |
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 #2182A2 | 4.39:1 | AA large text | Lc -75.6 | Fine for body text |
| Black text on #2182A2 | 4.77:1 | AA | Lc 34.0 | Non-text elements, placeholder text |
| #2182A2 text on white | 4.39:1 | AA large text | Lc 70.1 | Content text, not long reading |
| #2182A2 text on black | 4.77:1 | AA | Lc -31.6 | 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
#F1F6F8
oklch(97% 0.006 223.5)
-
Step 100
100
#E1ECF0
oklch(93.6% 0.013 221.4)
-
Step 200
200
#C9DDE6
oklch(88.5% 0.025 226.5)
-
Step 300
300
#A3C7D6
oklch(80.8% 0.044 225.1)
-
Step 400
400
#6FAAC2
oklch(70.6% 0.071 225.6)
-
Step 500
500
#4495B3
oklch(63.2% 0.09 225.3)
-
Step 600
600 (this color)
#2182A2
oklch(56.7% 0.098 225.4)
-
Step 700
700
#096B88
oklch(49.2% 0.091 225.5)
-
Step 800
800
#10576E
oklch(42.7% 0.075 225.5)
-
Step 900
900
#184859
oklch(37.7% 0.058 225.1)
-
Step 950
950
#102A34
oklch(27% 0.037 225.8)
#2182A2 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) | #707FA4 | 0.074 |
| Deuteranopia (no green cones) | #5F73A2 | 0.065 |
| Tritanopia (no blue cones) | #008B8C | 0.051 |
| Achromatopsia (no color) | #787878 | 0.098 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #2182A2
#2182A2
oklch(56.7% 0.098 225.4)
- #A66343
#A66343
oklch(56.8% 0.098 45.7)
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 #2182A2, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Teal Blue #01889F ΔE 0.021
- Cerulean #457B9D ΔE 0.029
- Blue NCS #118AB2 ΔE 0.029
- Ocean #017B92 ΔE 0.033
- Stormy Blue #507B9C ΔE 0.037
- Nice Blue #107AB0 ΔE 0.037
- Steel Blue #4682B4 ΔE 0.041
- Dull Blue #49759C ΔE 0.043
Use #2182A2 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.