#3682A2
Closest named color: Cerulean (#457B9D). oklch(57.3% 0.089 229), rgb(54, 130, 162).
Aa
Black text reads best on this color (4.87:1).
About this color
#3682A2 is a medium-dark, moderately saturated teal or cyan. In OKLCH its lightness is 57%, its chroma 0.089 and its hue 229°. Its hue sits on the cool side of the wheel. The nearest named color is Cerulean (#457B9D), ΔE 0.021 away. Black text reads best on it, at 4.87:1.
| Hue family | Teals and cyans |
| Lightness | medium-dark (57%) |
| Chroma | moderately saturated (0.089) |
| Temperature | cool |
| Nearest name | Cerulean (#457B9D) |
| Black text | 4.87:1 |
| White text | 4.31:1 |
Values
| HEX | #3682A2 |
| RGB | rgb(54, 130, 162) |
| HSL | hsl(198, 50%, 42%) |
| OKLCH | oklch(57.3% 0.089 229) |
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 #3682A2 | 4.31:1 | AA large text | Lc -75.1 | Fine for body text |
| Black text on #3682A2 | 4.87:1 | AA | Lc 34.5 | Non-text elements, placeholder text |
| #3682A2 text on white | 4.31:1 | AA large text | Lc 69.6 | Content text, not long reading |
| #3682A2 text on black | 4.87:1 | AA | Lc -32.1 | 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
#E2EBF0
oklch(93.5% 0.012 231.7)
-
Step 200
200
#CBDCE5
oklch(88.4% 0.022 230.6)
-
Step 300
300
#A7C6D5
oklch(80.9% 0.04 228.7)
-
Step 400
400
#76A9C1
oklch(70.8% 0.064 228.9)
-
Step 500
500
#5093B1
oklch(63.1% 0.082 229.1)
-
Step 600
600 (this color)
#3682A2
oklch(57.3% 0.089 229)
-
Step 700
700
#226986
oklch(49.1% 0.083 229.4)
-
Step 800
800
#1F566D
oklch(42.8% 0.068 229.2)
-
Step 900
900
#1F4758
oklch(37.7% 0.053 228.4)
-
Step 950
950
#132A34
oklch(27.1% 0.034 228.3)
#3682A2 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) | #7180A4 | 0.063 |
| Deuteranopia (no green cones) | #6275A2 | 0.055 |
| Tritanopia (no blue cones) | #008B8D | 0.053 |
| Achromatopsia (no color) | #7A7A7A | 0.089 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #3682A2
#3682A2
oklch(57.3% 0.089 229)
- #A36848
#A36848
oklch(57.4% 0.089 48.8)
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 #3682A2, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Cerulean #457B9D ΔE 0.021
- Teal Blue #01889F ΔE 0.027
- Stormy Blue #507B9C ΔE 0.028
- Blue NCS #118AB2 ΔE 0.030
- Steel Blue #4682B4 ΔE 0.033
- Off Blue #5684AE ΔE 0.037
- Dull Blue #49759C ΔE 0.038
- Cool Blue #4984B8 ΔE 0.040
Use #3682A2 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.